GOST 20072-74

Reciprocating internal combustion engines. Safety requirements for engines, intended for use in potentially explosive atmospheres. Part 1. Group II engines for use in flammable gas and vapour atmospheres

Glass package. Methods of testing the thermal resistivity

Fittings with ball sleeve straight stud branch tee type with O-ring face seal. Construction

Unified system for design documentation. Registration and storage rules

Graphic technology. Process control for the production of half-tone colour separations, proof and production prints. Part 2. Offset lithographic processes

Services. Repair and manufacturing of metal products. General specification