NBN EN 61811-50:2002被替代
Electromechanical All-Or-Nothing Relays - Part 50: Sectional Specification - Electromechanical All-Or-Nothing Telecom Relays Of Assessed Quality
出版：Belgian Standards
专家解读视频
Applicable to electromechanical all-or-nothing telecom relays of assessed quality. Relays according to this standard are provided for operation in telecommunication applications.
EN 61811-50:2002 - Identical
SS EN 61811-50 Ed. 1 (2002) - Identical
I.S. EN 61811-50:2002 - Identical
NF EN 61811-50:2003 - Identical
DIN EN 61811-50 (2002-11) - Identical
BS EN 61811-50:2002 - Identical
DIN EN 61811-50 : 2002 - Identical
DIN EN 61811-50 : 2002 - Identical
I.S. EN 61811-50:2002 - Identical
BS EN 61811-50 : 2002 - Identical
