GOST 31780-2012

Concentrated ethylene glycol (95%)

Equipment for bank protection. Doors and manholes. General specifications

Nickel, nickel and copper-nickel alloys. Methods for the determination of iron

Welding and allied process. Classification of geometric imperfections in metallic materials. Part 1. Fusion welding

Rock graphic documentation. General rules for representation of rock drawings

Informational ensuring of equipment and operational activity. System «man-information». Formalized iconic graphic information for carrying out human-information interactions of linguo-semanticized activities