GOST 34548-2019

State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 7. Reference threshold of hearing under free-field and diffuse-field listening conditions

Metal slitting and cutting-off saws. Specifications

Destructive tests on welds in metallic materials. Bend tests

State system for ensuring the uniformity of measurements. Measurement of radiance and radiant intensity in the wavelength range 120-400 nm. Procedure of measurements

Printing trades machinery. Safety requirements for the design and construction. Part 4. Bookbinding, paper converting and finishing machines

Systems security complex. Metal detectors continuals to apartment. General technical requirements. Test methods