Russian standards
Butterfly valves and spherical valves for hydraulic turbines. Technical specifications
Document status: Active
Water-tube boilers and auxiliary installations. Part 15. Acceptance tests
Document status: Active
Caps for light sources. Types, main and coupling dimensions, gauges
Document status: Replaced by GOST IEC 60061-1-2014
Industrial gas-using equipment. Air heaters. Test methods
Document status: Active
Luminaires. Part 2. Particular requirements. Section 4. Portable general-purpose luminaires
Document status: Replaced by GOST IEC 60598-2-4-2019