
Aerial Devices With Insulating Boom Used For Life Working Exceeding 1 Kv A.c.
出版:Verband Deutscher Elektrotechniker

专家解读视频
1995 COR 1 2008 [01/02/2008]95 [01/08/1995]DRAFT AMD 1 92 [01/04/1992]DRAFT 92 [01/02/1992]
DRAFT 2004 issued in August 2004. (08/2004)
IEC 61057 Ed. 1.0 - Identical
DIN EN 61057 (1995-08) - Identical
DIN IEC 61057 (2004-08) - Identical
EN 61057:2017 - Identical