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
專家解讀視頻
基本信息
標準編號： NEN EN 12411-4:1997
發(fā)布時間：1997/8/1 0:00:00
標準類別：Draft
出版單位：Nederlands Normalisatie Instituut
標準頁數(shù)：40
標準簡介
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.
替代本標準的新標準
