Switch-on holding and tripping device of vacuum circuit breaker employing two-stage semi-shaft force reduction
Switch-on holding and tripping device of vacuum circuit breaker employing two-stage semi-shaft force reduction
- CN 201,196,929 Y
- Filed: 05/28/2008
- Issued: 02/18/2009
- Est. Priority Date: 05/28/2008
- Status: Active Grant
- EN CH
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- Pin
