Acoustics. Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation room
Aviation engines and their units. Indexation of parameters of air (gas) condition on sections of air-gas channel aviation engines and air-gas systems connected with them
The Global Navigation Satellite Systems. Receiver equipment GNSS GLONASS/GPS/GALILEO shipborne multisystem, multichannel. Technical requirements, test methods and required test results
