Russian standards
Natural circulation stationary power steam boilers. General technical requirements
Document status: Active
Sealed radionuclide beta-radiation sources. Methods of parameters measurement
Document status: Active
Low-voltage magnetic contactors. General specifications
Document status: Active only in RF
Converter transformers and reactors. General specifications
Document status: Active
Low-voltage switchgear and controlgear. Part 3. Switches, disconnectors, switch-disconnectors and fuse - combination units
Document status: Active