GOST 21877.1-76

Sound system equipment. Part 12. Connectors for broadcast systems and similar use

Federal product cataloging system for federal needs. Catalog descriptions. Rules for development, approval and maintenance

Multichannel analyzers as multichannel scalers. Test methods

Product-quality index system. Apparatus for ultrasonic therapeutics. Nomenclature of indices

Testing of chemicals of environmental hazard. Determination of the particle size distribution/determination of the fibre length and diameter distribution. Method A: Particle size distribution (effective hydrodynamic radius). Method B: Fibre length and diameter distribution

Asbestos brake bands. Specifications