DIN EN 60079-29-1-2008
爆炸性环境.第29-1部分:气体探测器.易燃气体探测器的性能要求(修改的IEC 60079-29-1-2007)
Explosive atmospheres - Part 29-1: Gas detectors - Performance requirements of detectors for flammable gases (IEC 60079-29-1:2007, modified); German version EN 60079-29-1:2007