GOST 21922-76

Power transformers. Terms and definitions

Safety in emergencies. Regional automated centralized notification systems. General requirements

Electromagnetic compatibility of technical equipment. Emission from audio, video, audiovisual and entertainment lighting control apparatus for professional use. Limits and test methods

Power transformers and reactors. Method for frequency response measurement

State system for ensuring the uniformity of measurements. Net oil as a part of oil-gas-water mixture quantity and quality parameters metering stations and metering units. Metrological and technical requirements

State system for ensuring the uniformity of measurements. Shore rebound hardness testing machines. Methods and means of verification