GOST 20406-75

Noise of machines. Determination of sound insulation performances of enclosures. Part 2. Measurements in situ for acceptance and verification of declared noise performance values

Best available techniques. The structure of the information and technical reference book

Lead-calcium bearing alloys. Method for determination of sodium content

Occupational safety standards system. Industrial filtering respirators and gas masks. Method of testing all-service canisters protection time against mercury vapours

Aerial and earthing connectors for domestic radio apparatus. Specification

All-wool and blended piece goods and printed fabrics. Norms of colour fastness and methods for determination