37 Repair, maintenance and installation of compressors for machines; Repair, maintenance and installation of hydraulic drives for machines, motors and engines; Repair, maintenance and installation of machines for the dispensing and measuring of oil and associated fittings therefor; Repair, maintenance and installation of fuel pumps for service stations, oil pumps for use in land vehicles, electrical pumps, namely, fuel pumps for service stations, mechanical pumps in the nature of fuel pumps for service stations; Repair, maintenance and installation of fuel dispensing pumps for petrol stations, automatic pumps for liquid fuels; Repair, maintenance and installation of tank installations, namely, fuel dispenser pumps, fuel dispenser valves, taps for liquids and other shut-off devices for liquids and air being parts of machines; Repair, maintenance and installation of dispensing nozzles for fuelling vehicles and machines; Repair, maintenance and installation of automatic vending machines; Repair, maintenance and installation of ticket dispensers, namely, parking lot ticket dispenser machines and fare ticket dispenser machines; Repair, maintenance and installation of ticket dispensers, namely, electronic parking lot ticket dispensers and electronic fare ticket dispensers, automatic pay stations, namely, electronic payment terminals and cash payment terminals, electronic payment terminals and service machines in the nature of electronic payment terminals and cash payment terminals operated by inputting coins, banknotes, credit or debit cards and also featuring electronic devices for debiting and crediting and processing individual memory areas of customer cards and for processing bonus incentive awards; Repair, maintenance and installation of electrical apparatus for the processing of cashless payment transactions and for the management, transmission and checking of access authorisations for machines for online and/or offline operation, and also for digital image processing; Repair, maintenance and installation of machines with cashless payment systems, in particular electronic payment machines at petrol stations, car parks and leisure facilities, namely, parking ticket machines and electronic ticket issuing, reading and recording machines for issuing authorisation cards in the nature of transport tickets, fare tickets, admission tickets, parking tickets and the like; Repair, maintenance and installation of systems consisting of computer hardware for the management of user authorisations and user fees, in particular systems consisting of computer hardware for the management of authorisation cards, sale verification, validation of authorisation cards as well as systems consisting of computer hardware for the management of payment transactions, in particular in the areas of parking space management, passenger transport, public transport, goods transport, and access control; Repair, maintenance and installation of electrical and electronic apparatus for generating and/or issuing authorisation cards; Repair, maintenance and installation of electrical and electronic apparatus for capturing, reading and evaluating authorisation cards and means of identification; Repair, maintenance and installation of electrical and electronic apparatus for validating authorisation cards and means of identification; Repair, maintenance and installation of apparatus for controlling access or entry barriers, namely, electronic readers and controllers for controlling access to premises and computer hardware for controlling barriers, barrier booms, vehicle barriers, gates, automatic turnstiles; Repair, maintenance and installation of apparatus for handling payment transactions in the nature of multi-functional electronic payment terminals for tickets, seat reservations, access authorisations, parking tickets, as well as cash payments and cashless payments; Repair, maintenance and installation of computer hardware for controlling turnstiles; Repair, maintenance and installation of automatic turnstiles; Repair, maintenance and installation of passage control apparatus; Repair, maintenance and installation of automated barrier openers and closers being automated gate operators; Repair, maintenance and installation of access control apparatus; Repair, maintenance and installation of access control systems; Repair, maintenance and installation of access control controllers for controlling access to premises; Repair, maintenance and installation of access control system electronic gate and barrier openers and closers, automatic turnstiles, automated gate operators, automated barriers; Repair, maintenance and installation of electronic card readers; all the forgoing apparatus for contactless as well as contact-based systems; Repair, maintenance and installation of cloud computer servers; Repair, maintenance and installation of magnetically encoded identification media in the nature of magnetic strip units consisting of cards with magnetic memory strips; Repair, maintenance and installation of traffic-light apparatus being signalling devices, traffic lights; Repair, maintenance and installation of electronic display panels and signal boards, electronic displays, namely, digital signage; Repair, maintenance and installation of readers, namely, data processing equipment in the nature of memory card readers, optical code readers, magnetic encoded card readers, smart card readers, RFID readers, near field communication (NFC) readers, USB readers, short range wireless readers; Repair, maintenance and installation of parking meters; Repair, maintenance and installation of cash registers; Repair, maintenance and installation of electric parking guidance displays for internal and external parking guidance systems for connection to urban traffic management systems, to the internet and to global traffic telematics systems; Repair, maintenance and installation of system-controlled barriers for parking spaces in the nature of barriers used in access control systems; Repair, maintenance and installation of calculating machines, data processing equipment and computers; Repair, maintenance and installation of computer peripherals; Repair, maintenance and installation of printers, namely, smart card printers and document printers for computers; Repair, maintenance and installation of computer hardware for local networks; Repair, maintenance and installation of computer systems comprising laptop computers, desktop computers, computer hardware, network servers and networked computer workstations; Repair, maintenance and installation of tablet computers; Repair, maintenance and installation of portable digital electronic media players, handheld; Repair, maintenance and installation of computer servers, in particular cloud servers; Repair, maintenance and installation of door readers, namely, magnetic card readers, barcode card readers, two dimensional data code readers, electronic chip activated readers, microprocessor activated card readers, smart card readers, RFID readers, near field communication (NFC) readers and short-range wireless readers for providing access control through doors; Repair, maintenance and installation of electric control apparatus for switches, signals and interlocking railway systems; Repair, maintenance and installation of electrical railway signalling apparatus; Repair, maintenance and installation of road barriers in the nature of signal lights and access control system for access control of premises for parking, electric warning lights and access control system for access control of premises for parking; Repair, maintenance and installation of vehicle sensors, namely, electric sensors for indicating the presence of vehicles, electronic sensors in roadbeds for detecting the presence of vehicles, inductive sensors for detecting the presence of vehicles; Repair, maintenance and installation of signalling, measuring, counting, recording, monitoring, testing, controlling, regulating and switching devices, namely, for detecting vehicles in parking areas, for detecting persons or objects in public passenger transport, for detecting objects in logistics; Repair, maintenance and installation of electrical switchboard and control cabinets being specially adapted for railway systems; Repair, maintenance and installation of electronic apparatus, devices, instruments and components in the nature of computer hardware for the control, safety and automation of the track in rail-bound traffic; Repair, maintenance and installation of electronic control systems for railway signals for level crossing safety; Repair, maintenance and installation of electrical sensors and contact sensors for rail traffic; Repair, maintenance and installation of electronic tracking apparatus and instruments for logistics tracking; Repair, maintenance and installation of vehicle tracking systems comprised of a GPS device placed in vehicle, an antenna and radio transmitter placed in a vehicle, a short-range wireless system placed in a vehicle, location sensors placed in a vehicle, proximity sensors placed in a vehicle; Repair, maintenance and installation of vehicle tracking devices, namely, GPS, radio transmitter, short range wireless systems, location sensors and proximity sensors; Repair, maintenance and installation of navigation, orientation, location tracking, target tracking and mapping devices in the nature of GPS tracking devices, radio transmitter devices, short range wireless systems, location sensors and proximity sensors; Repair, maintenance and installation of electronic monitoring devices that detect the operation of other electronic devices and the remote activity of systems for parking management, fare collection management or internal logistics; Repair, maintenance and installation of electrical monitoring control devices that detect the operation of other electronic devices and the remote activity of systems for parking management, fare collection management or internal logistics; Repair, maintenance and installation of monitoring instruments and apparatus that detect the operation of other electronic devices and the remote activity of systems for parking management, fare collection management or internal logistics; Repair, maintenance and installation of wireless e-beacon broadcasting modules; Repair, maintenance and installation of short range wireless receivers; Repair, maintenance and installation of computer hardware; Repair, maintenance and installation of surveillance apparatus other than for medical purposes, namely, surveillance robots and data security hardware appliance; Repair, maintenance and installation of electronic process controllers for fare collection equipment, parking space payment equipment, parking space monitoring equipment, and equipment for monitoring logistics; Repair, maintenance and installation of infrared locating apparatus; Repair, maintenance and installation of computer hardware modules for use in electronic apparatus for the internet of things (IoT); Repair, maintenance and installation of computer hardware modules for use with the internet of things (IoT); Repair, maintenance and installation of sensors, namely, electric sensors for determining position, velocity, acceleration and temperature; Repair, maintenance and installation of electronic sensors for use in parking systems, fare collection systems and systems for internal logistics; Repair, maintenance and installation of electrical sensors for use in parking systems, fare collection systems and systems for internal logistics; Repair, maintenance and installation of digital sensors for use in parking systems, fare collection systems and systems for internal logistics; Repair, maintenance and installation of sensor controllers; Repair, maintenance and installation of sensors used in plant control; Repair, maintenance and installation of data processing systems comprising data processors, computer hardware, sold as a unit; Repair, maintenance and installation of data processing apparatus; Repair, maintenance and installation of readers being data processing apparatus; Repair, maintenance and installation of scanners being data processing apparatus; Repair, maintenance and installation of electronic data processing apparatus; Repair, maintenance and installation of instrumentation simulators; Repair, maintenance and installation of radio, short range wireless, radio beacon and telephone transmitters; Repair, maintenance and installation of transmitters of electronic signals; Repair, maintenance and installation of wireless transmitters and receivers; Repair, maintenance and installation of transmitters for the transmission of electrical signals; Repair, maintenance and installation of global positioning system (GPS) transmitters; Repair, maintenance and installation of wireless receivers; Repair, maintenance and installation of electrical receivers; Repair, maintenance and installation of receivers of electronic signals; Repair, maintenance and installation of GPS receivers; Repair, maintenance and installation of sensors for determining positions; Repair, maintenance and installation of data processing installations comprising data processors; Repair, maintenance and installation of data processing terminals; Repair, maintenance and installation of electronic apparatus and instruments for geolocation; Repair, maintenance and installation of database servers; Repair, maintenance and installation of radio beacons; Repair, maintenance and installation of radio beacon receivers; Repair, maintenance and installation of antennas; Repair, maintenance and installation of antennas and aerials as communications apparatus; Repair, maintenance and installation of antennas and aerials as components of fare collection systems, parking solution systems and internal logistics operations; Repair, maintenance and installation of transponders; Repair, maintenance and installation of readers, in particular barcode readers and two dimensional data code readers; Repair, maintenance and installation of charging stations for electric vehicles; Repair, maintenance and installation of couplings, electric; Repair, maintenance and installation of fiber optic couplings; Repair, maintenance and installation of conduit couplings in the nature of electric couplings; Repair, maintenance and installation of integrated circuit boards for use in computer systems and blank smart cards capable of receiving encoded programming