Russian standards
Explosion-protected electrical apparatus. Part 12. Classification of mixtures of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents
Document status: Cancelled
Explosive atmospheres. Part 29-4. Gas detectors. General technical requirements and test methods of open path detectors for flammable gases
Document status: Active
Luminaires. Part 2. Particular requirements. Section 19. Air-handling luminaires. Safety requirements
Document status: Cancelled
Ferrite devices SHF. Classification and system of designations
Document status: Active
Power generating sets and mobile electric power stations with internal combustion engines. General technical requirements
Document status: Cancelled