DIN IEC 75(CO)81
Classification of environmental conditions; 2nd draft amendment no. 2 to IEC 721; part 3: classification of groups of environmental parameters and their severities; sections 1, 2, 3, 4 and 7: regarding sets of environmental condition class combinations (IEC 75(Central Office)81:1992)
废止
发布日期 :
2001-01-01
实施日期 :