爆炸性环境非矿井用甲烷气体探测器(便携式、可移式、固定式) Methane gas detectors for explosive atmospheres except mines (Portable,transportable, and fixed)
爆炸性环境矿井用甲烷气体探测器(便携式、可移式、固定式) Methane gas detectors in mines of explosive atmospheres (Portable,transportable, and fixed)
爆炸性环境氧气探测器 Oxygen detectors for explosive atmospheres
爆炸性环境用电气设备 Electrical apparatus for explosive atmospheres
爆炸性环境用电气设备(充砂型设备“q”) Electrical apparatus for explosive atmospheres (Powder filling q)
爆炸性环境用电气设备(防护型“n”) Electrical apparatus for explosive atmospheres (Protection n)
爆炸性环境用电气设备(油浸“o”) Electrical apparatus for explosive atmospheres (Oil immersion o)
爆炸性环境用甲烷气体探测器(便携式、可移式、固定式) Methane gas detectors for explosive atmospheres (Portable,transportable, and fixed)
爆炸性环境用易燃气体探测器(便携式、可移式、固定式) Combustible gas detectors for explosive atmospheres (Portable,transportable, and fixed)
电气设备(易燃粉尘,防护外壳) Electrical apparatus (Combustible dust, protective enclosure)
电气设备(易燃粉尘,最低着火温度) Electrical apparatus (Combustible dust,minimum ignition temperature)
电气设备(制造,试验和标记) Electrical apparatus(construction,test,marking)
探测有毒气体和蒸汽的开路仪器 Open path apparatus for detection of toxic gas and vapour
探测有毒气体和蒸汽的开路仪器 (性能) Open path apparatus for detection of toxic gas and vapour (performance) |