9 Physical, electro-technical, electronic measuring, signalling, checking and supervision, controlling, governing and monitoring devices and apparatuses, namely, pressure sensors, temperature sensors, acceleration sensors, speed sensors, angle sensors, torque sensors compressed air injection electrical controllers, either integrated into an intake flow control unit or provided as a stand-alone computer, pressure gauges, brake controllers for rail-bound vehicles and commercial vehicles; Mechanical, pneumatic, hydraulic, electro-mechanic, electro-magnetic and electro-electronic operated, controlled, controlling, measuring, signalling, checking and supervision, governing, conveying, storing, amplifying and monitoring devices, apparatuses and installations composed of these following elements, namely, pressure sensors, temperature sensors, acceleration sensors, speed sensors, angle sensor, and compressed air injection electrical controllers, either integrated into an intake flow control unit or provided as a stand-alone computer, brake controllers for rail-bound vehicles and commercial vehicles, in particular for vehicle brakes, for railway stations and for rail systems, and structural parts of the aforementioned devices and apparatus; Bogie monitoring and diagnosing systems comprising sensors, namely, temperature sensors, acceleration sensors, speed sensors, angle sensors, torque sensors, derailment detectors and electronic apparatuses, namely, electronic and electric controllers for running gear and motor bogies and for their structural parts thereof for the detection of critical conditions on the running gear, such as damage on bearings in wheel sets and axle wheels, hot boxes, unstable running, derailing as well as data collection on condition-based maintenance conditions of bearings in wheel sets and axle wheels, wheel treads and flats, guidance of wheel sets and axle wheels, the stabilizing system and transmissions, and damage to gear boxes and rotation machines including motors and generators; Oval railway vehicle wheel detectors and electronic locators, derailment detectors for rail-bound vehicles; Devices as parts of bogies for detecting and locating flats in the running treads of the wheels on rail vehicles, comprising sensors, derailment detectors and electronic apparatuses, namely, electronic and electric controllers, structural parts of the aforementioned devices and apparatus