IEC 60079-5 Amd. 1 Ed. 4.0 en:2022
IEC 60079-5 Amd. 1 Ed. 4.0 en:2022
Amendment 1 to Explosive atmospheres - Part 5: Equipment protection by powder filling "q"Amendment by International Electrotechnical Commission, 05/01/2022
Amendment by International Electrotechnical Commission, 05/01/2022