Permanent-magnet grounding fault breaker plug and its permanent-magnet movement mechanism
Permanent-magnet grounding fault breaker plug and its permanent-magnet movement mechanism
- CN 100,373,517 C
- Filed: 03/02/2005
- Issued: 03/05/2008
- Est. Priority Date: 03/02/2005
- Status: Active Grant
- EN CH
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- Pin
