GOST R 57437-2017

Pneumomechanic spinning machines. Terms and definitions

Compressed air. Part 3. Test methods for measurement of humidity

Non-destructive testing. Acoustic methods. General principles

Earth-moving machinery. Operator's controls

Acoustics. Sound-scattering properties of surfaces. Part 2. Measurement of the directional diffusion coefficient in a free field

State system for ensuring the uniformity of measurements. Low power SHF wattmeters and their primary measuring transformers of frequency range 0,03-78.33 GHz. Verification means and methods