Russian standards
Explosive atmospheres. Part 25. Intrinsically safe systems
Document status: Replaced by GOST R IEC 60079-25-2012
Alternating-current circuit-breakers for voltages from 3 to 750 kV. General specifications
Document status: Active
Uninterrupted power supply systems of a.c. receivers. General specifications
Document status: Active
Insulating materials. Classification system on radiation strength
Document status: Active
Reciprocating internal combustion engine driven alternating current generating sets. Part 12. Emergency power supply to safety services
Document status: Cancelled
