DIN EN 60974-4 (2007-09)被替代
Arc Welding Equipment - Part 4: In-service Inspection And Testing
出版：Verband Deutscher Elektrotechniker
专家解读视频
Defines test procedures for in-service inspection and, after repair, to ensure electrical safety.
Supersedes DIN IEC 60974-4 issue 09-2005. Applies in conjunction with DIN EN 60974-1 (2006-07) (09/2007)
BS EN 60974-4:2007 - Identical
UNE EN 60974-4:2007 - Identical
IEC 60974-4 Ed. 1.0 - Identical
I.S. EN 60974-4:2007 - Identical
NF EN 60974-4:2007 - Identical
NBN EN 60974-4:2007 - Identical
SS EN 60974-4 Ed. 1 (2007) - Identical
VDE 0544-4:2007 - Identical
