摘 要: | IEC 60079-25:2003 Ed. 1.0 SC 31GElectrical apparatus for explosive gas atmospheres - Part 25: Intrinsically safe systemsICS code: 29.260.20 SC 31G 127 pages爆炸性气体环境用电气设备 第25部分:固有的安全系统。第1.0版IEC 60664-5:2003 Ed. 1.0 TC 109Insulation coordination for equipment within low-voltage systems - Part 5: Acomprehensive method for determining cle…
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