37 Construction, works management; installation, repair, renovation and maintenance of rail and road infrastructure and signaling equipment; repair, renovation, maintenance and installation of rail vehicles, electric and/or diesel rail vehicles, rail vehicles equipped with a fuel cell, high-speed and very-high-speed rail vehicles, rail vehicle trains, automatic or non-automatic, for the transport of passengers and/or goods, namely, rail vehicles on iron wheels or guided vehicles on wheels equipped with pneumatic tires or other types of contact with the ground, rolling stock for railroads, including locomotives, wagons, railcars and self-propelled vehicles, railroad trains with or without a self-propelled vehicle, articulated or non-articulated railroad trains, storage tanks for the aforementioned rail vehicles, railroad couplings, engines for the aforesaid rail vehicles and parts thereof, shock absorbers, pneumatic shock absorbers, transmission belts and corresponding gearings, drive shafts, air pumps (for vehicles), propulsion mechanisms, brakes, bogies, axles (of vehicles), electric motors for the aforesaid rail vehicles, rail vehicle traction systems, electric and electronic apparatus for the management and control of rail traffic, navigation, guidance, piloting, control, measuring, signaling, detecting, inspecting, life-saving systems and/or apparatus, rail traffic safety apparatus, electric and electronic apparatus, fixed or embedded or placed on rail tracks for the transmission of position and signaling data between rail vehicles and control centers, satellite location data processing apparatus enabling the management and control of rail and road traffic, rail vehicles and rail signaling equipment, particularly for locating and supervising trains, for rail track and train traffic safety, for traffic control, for the planning and management of rail vehicle fleets, power supply systems and energy management systems for rail vehicles, systems for analyzing and diagnosing the condition of rail and road infrastructure equipment, systems and/or apparatus for controlling the management of rail and road transport lines, electric and electronic traction systems and/or apparatus (for vehicles), electric and electronic systems and apparatus, for communicating information and/or data, dissemination of information to passengers and/or operators, control posts for the management and control of rail signaling equipment, particularly for locating and supervising trains, for rail track and train traffic safety, for traffic control, for the planning and management of rail vehicle fleets, telecommunication terminals, multimedia terminals, apparatus for the recording, transmission, reproduction and processing of data, sound and images, database server centers, computer and telephone and communication transmitter and receiver apparatus, access control apparatus, safety systems and/or apparatus, particularly luminous signals, traffic signaling lights, acoustic, visual or tactile alarms, accident alert devices, anti-collision devices (signaling and detection), electronic detectors for anomalies and damage, display panels for rooms for the control and monitoring of vehicles, installations, infrastructure and all transport networks, apparatus for rooms and fixed or mobile posts for controlling road and rail transport safety, computer networks for managing trains based on communication consisting, particularly, of a central computer and communication networks, computers and computer peripherals, control devices for rail vehicles, fixed and/or embedded or placed on rail tracks, telecommunication, communication and rail signaling apparatus. fixed and/or embedded or placed on the rail tracks, interlocking systems for the management of rail points, equipment enabling unsafe actions to be prohibited, particularly trains catching up with one another, collisions, trains converging on the same branch line; all these goods intended for rail vehicles for transporting passengers or goods