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Explosive atmospheres. Part 28. Protection of equipment and transmission systems using optical radiation
Document status: Active
Reciprocating internal combustion engine driven alternating current generating sets. Part 1. Application, ratings and performance
Document status: Active
Polyethylene insulated and plastic sheathed block - signalling cables. Specifications
Document status: Cancelled
Electromagnetic relays types NMSh1, NMSh2, NMSh4, NMShM1, NMShM2, NMShM4, AMShM2, NM1, NM2, NM4, NMM1, HMM2, HMM4. Quality requirements
Document status: Active
United power system and isolated power systems. Hydraulic and Pumped storage power stations. Hydro engineering structures. Operation manual. Main provisions
Document status: Replaced by GOST R 57792-2025