标准摘要
[中文适用范围]： 本技术报告为选择适当的电气设备@提供指导，这些电气设备@受防火外壳保护或根据预期使用的气体或蒸汽设计为本质安全@。 [外文原描述]： Gives guidance on the selection of appropriate electrical apparatus, protected by flame-proof enclosure or designed to be intrinsically safe, according to the gas or vapour in which it is intended to be used. This publication has the status of a technical Report, type 3.
英文名称Electrical apparatus for explosive gas atmospheres - Part 20: Data for flammable gases and vapours, relating to the use of electrical apparatus