GOST 25284.2-95

Bars for metric thread rolling. Diameters

Occupational safety standards system. Respiratory protective devices. Method of definition of the maintenance the carbon dioxide and oxygen in the inhaled mix

Occupational safety standards system. Individual protective respiratory devices. Insulating-filtering autonomous protective respiratory devices. Technical requirements. Test methods. Marking. Sampling rules

Reciprocating internal combustion engine driven alternating current generating sets. Measurement and evaluation of mechanical vibrations

Magnesial-quarts proppants. Sрeсifiсations

Vacuum equipment. Vapour vacuum pumps. Measurement of performance characteristics. Part 2. Measurement of ultimate pressure and critical backing pressure