GOST 606-75

Regulations for establishing permissible limits of harmful pollutants emissions from industrial enterprises

Reciprocating internal combustion engines. Safety requirements for engines, intended for use in potentially explosive atmospheres. Part 2. Group I engines for use in underground workings susceptible to fired amp and/or combustible dust

Iron and manganese ore products. Terms and definitions

Optics and photonics. Lasers and laser-related equipment. Test methods for laser beam power, energy and temporal characteristics

Cartographic instruments. Terms and definitions

Coal coke. Methods for the determination of carbon and hydrogen content