Russian standards
Electromechanical switches for use in electrical and electronic equipment. Part 1. Generic specification
Document status: Active
Electrical installations for outdoor sites under heavy conditions (including open-cast mines and quarries). Part 2. General protection requirements
Document status: Active
Electrical apparatus for explosive gas atmospheres. Part 1. Flameproof enclosures 'd'
Document status: Active
Electrical apparatus for explosive gas atmospheres. Part 5. Powder filling 'q'
Document status: Cancelled
