DIN EN 60079-35-1 (2012-01)現行
Explosive Atmospheres - Part 35-1: Caplights For Use In Mines Susceptible To Firedamp - General Requirements - Construction And Testing In Relation To The Risk Of Explosion (iec 60079-35-1:2011)
出版：Verband Deutscher Elektrotechniker
專家解讀視頻
