IEC 62086-1:2001/COR1:2003 Corrigendum 1 - Electrical apparatus for explosive gas atmospheres - Electrical resistance trace heating - Part 1: General and testing requirements
1970IEC 62086-1:2001/COR1:2003 Corrigendum 1 - Electrical apparatus for explosive gas atmospheres - Electrical resistance trace heating - Part 1: General and testing requirements
2001IEC 62086-1:2001 Electrical apparatus for explosive gas atmospheres - Electrical resistance trace heating - Part 1: General and testing requirements