低压开关设备和控制设备第5-4部分:控制电路电器和开关元件小容量 触头的性能评定方法牛 特殊试验 (GB/T 14048.17-2008/IEC 60947-5-4:2002)
Low-voltage switchgear and controlgear-Part 5-4:Control circuit devices and switching elements-Method ofnassessing the performance of low-energy contacts Special tests
发布时间:
2008-12-30
实施时间:
2009-10-01
阅读数量:
(51)