GOST R 52350.1.1-2006 Electrical apparatus for explosive gas atmospheres. Part 1-1. Flameproof enclosures "d". Method of testing for ascertainment of maximum experimental safe gap
2011GOST R IEC 60079-20-1-2011 Explosive atmospheres. Part 20-1. Material characteristics for gas and vapour. Classification. Test methods and data
2006GOST R 52350.1.1-2006 Electrical apparatus for explosive gas atmospheres. Part 1-1. Flameproof enclosures "d". Method of testing for ascertainment of maximum experimental safe gap
GOST R 52350.1.1-2006 Electrical apparatus for explosive gas atmospheres. Part 1-1. Flameproof enclosures "d". Method of testing for ascertainment of maximum experimental safe gap was changed to GOST R IEC 60079-20-1-2011 Explosive atmospheres. Part 20-1. Material characteristics for gas and vapour. Classification. Test methods and data.