Renewable power engineering. Hydropower engineering. Electromechanical equipment guide for small hydroelectric installations
Document status: Active
Double-capped fluorescent lamps. Safety specifications
Document status: Replaced by GOST IEC 61195-2019
Winding wires. Test methods. Part 4. Chemical properties
Document status: Replaced by GOST R IEC 60851-4-2008
Electrical equipment for industrial. General requirements and test methods
Document status: Withdrawn
Explosive atmospheres. Part 25. Intrinsically safe systems
Document status: Active
Electrical relays. Part 12. Directional relays and power relays with two input energizing quantities
Document status: Active
