NEN EN 12411-4:1997被替代
Workplace Atmospheres - Electrical Apparatus Used For The Direct Detection And Direct Concentration Measurement Of Toxic Gases And Vapours - Part 4: Guide For Selection, Installation, Use And Maintenance
出版：Nederlands Normalisatie Instituut
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基本信息
标准编号： NEN EN 12411-4:1997
发布时间：1997/8/1 0:00:00
标准类别：Draft
出版单位：Nederlands Normalisatie Instituut
标准页数：40
标准简介
Provides some background information and gives guidance on the selection, installation, use and maintenance of electrical apparatus used for the direct detection and concentration measurement of toxic gases and vapours in workplace air.
替代本标准的新标准
