
Blank Detail Specification: Electromechanical All-Or-Nothing Telecom Relays Of Assessed Quality
出版:Nederlands Normalisatie Instituut

专家解读视频
1997 [01/09/1997]
SS EN 116501 Ed. 1 (1995) - Identical
I.S. EN 116501:1993 - Identical
DIN EN 116501 (1993-07) - Identical
BS EN 116501:1996 - Identical