GOST 25824-83

Civil defense. Engineering and technical equipment of civil defense protective structures. Overpressure valves. General technical requirements. Test methods

Copper and complex ores, and products of their processing. Methods of measurement of gold and silver weight fraction

Solid biofuels. Sampling. Methods for preparing sampling plans and sampling certificates

Inclined and vertical lifting platforms for persons with physical disabilities. Technical requirements of accessibility

Safety of power transformers, power supplies, reactors and similar products. Part 2-1. Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications

Acoustics. Measurement of room acoustic parameters. Part 2. Reverberation time in ordinary rooms