GOST 490-79

Globe valves Pnom 25 MPa (250 kgf/sq cm). General specifications

Telecommunications. Bonding and earthing of ICT equipment in telecom centres

Safety glass for ground vehicles. General specifications

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

Electromagnetic compatibility of technical equipment. Technical equipment intended for connection to symmetrical lines. Parameters of unbalance about earth. Measuring arrangements

Synthetic and regenerated acetic acid. Specifications