UNE 20460-5-537:1999现行
Electrical Installations Of Buildings - Part 5: Selection And Erection Of Electrical Equipment - Chapter 53: Switchgear And Control Gear - Section 537: Devices For Isolation And Switching
出版：Asociacion Espanola de Normalizacion
专家解读视频
99 [24/11/1999]90 [06/11/1990]
HD 384.5.537:1998 - Similar
IEC 60364-5-53-537 Ed. 1.0 - Identical
IEC 60364-5-53-537 : 81 AMD 1 89 - Identical
HD 384.5.537 : 200S2 - Similar to
IEC 60364-5-53-537 : 81 AMD 1 89 - Identical
HD 384.5.537 : 200S2 - Similar to
