GOST 21718-84

State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 5. Equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz

Stationary source emissions. Determination of greenhouse gas emissions in energy intensive industries. Part 3. Cement industry

State system for ensuring the uniformity of measurements. Voltage transformers. Verification methods

Modular order for the development of mechanical structures for electronic equipment practices. Part 2. Sectional specification. Interface coordination dimensions for the 25 mm equipment practice

Steel wire ropes for aircraft. The method of preelongation

Outside noise emitted by the main. Line and shunting diesel locomotives. Measuring rates and methods