GOST R 70727-2023

Soldered and brazed joints. Test methods for tension and long-term strength

Cleanrooms and associated controlled environments. Part 14. Assessment of suitability for use of equipment by airborne particle concentration

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

Benzene hydrocarbons and allied products. Method of determination of hydrogen sulphide and mercaptans

Uniform. Woolen and cotton trousers into boots. Specifications

Occupational safety standards system. Building. Anticorrosive protective works. Sаfety requirements