State system for ensuring the uniformity of measurements. State primary standard and all-union verification schedule for means measuring mass flow of gas within the range of 4x10 in minus 2 degree up to 2,5x10 in 2 degree kg/sec
Global navigation satellite system. Road accident emergency response system. Functional test methods of In-Vehicle emergency call system and data transfer protocols
Electromagnetic compatibility of technical equipment. Railway systems and equipment. Part 2. Emission of the whole railway system to the outside world. Requirements and test methods