For identifying the apparatus and method of the control mode of voltage trip formula or current-release formula switchgear
For identifying the apparatus and method of the control mode of voltage trip formula or current-release formula switchgear
- CN 101,681,742 B
- Filed: 04/12/2008
- Issued: 03/02/2016
- Est. Priority Date: 06/04/2007
- Status: Active Grant