
Winding Wires - Test Methods - Part 4: Chemical Properties
出版:Nederlands Normalisatie Instituut

專家解讀視頻
1997 [01/04/1997]1994 [01/01/0001]
IEC 60851-4 : 3.0 - Identical
EN 60851-4 : 2016 - Similar to
IEC 60851-4 Ed. 2.2 - Identical
EN 60851-4:2016 - Similar