IEC 60079-2:2007 EN-FR e359dbba
Explosive atmospheres - Part 2: Equipment protection by pressurized enclosures "p"
REVISED
发布日期 :
2007-02-22
实施日期 :
IEC 60079-33:2012 EN-FR 9317b836
Explosive atmospheres - Part 33: Equipment protection by special protection 's'
现行
发布日期 :
2012-09-27
实施日期 :