Electrical apparatus for explosive gas atmospheres - intrinsically safe systems 爆炸性氣體環(huán)境用電氣設(shè)備.本安型系統(tǒng)
Electrical apparatus for explosive gas atmospheres - part 25 : intrinsically safe systems 爆炸性氣體環(huán)境用電氣設(shè)備.第25部分:自身安全系統(tǒng)
Electrical apparatus for explosive gas atmospheres - part 25 : intrinsically safe systems 爆炸性氣體環(huán)境用電氣設(shè)備.第25部分:本質(zhì)安全型系統(tǒng)
Electrical apparatus for potentially explosive atmospheres - group i . intrinsically safe systems - construction and testing 潛在爆炸性環(huán)境中使用的電氣裝置.組i .本征安全系統(tǒng).建造和試驗
Electrical apparatus for explosive gas atmospheres - part 25 : intrinsically safe systems iec 60079 - 25 : 2003 ; german version en 60079 - 25 : 2004 爆炸性氣體環(huán)境用電氣設(shè)備.第25部分:本征安全型系統(tǒng)
Electrical apparatus for potentially explosive atmospheres - group i - intrinsically safe systems - part 1 : construction and testing ; german version en 50394 - 1 : 2004 潛在爆炸性環(huán)境中使用的電氣裝置. i組.本征安全型系統(tǒng)