GOST 21924.0-84

Rotating electrical machines. Part 19. Specific test methods for d.c. machines on conventional and rectifier-fed supplies

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

State system for ensuring the uniformity of measurements. Mass of mazut. Measurement of the fuel oil mass in railway tanks. General metrological requirements

Residual fuel oils. Test for straight-run. Method for determination of bromine number of fraction with boiling point up to 360 °C

Wheelchairs. Part 14. Power and control systems for electric wheelchairs and scooters. Requirements and test methods

Environmental management. Life cycle assessment. Principles and framework