![The prototype of HDB-1A/1B hydraulic operating mechanism is successfully produced for 126kV and 252kV circuit breaker.](/upload/image/20150113/1421117546878359.jpg)
The prototype of HDB-1A/1B hydraulic operating mechanism is successfully produced for 126kV and 252kV circuit breaker.
Author : Leeman Hydraulic Time : 2015-01-13
August 1, 2014The prototype of HDB-1A/1B hydraulic operating mechanism is successfully produced for 126kV and 252kV circuit breaker.
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