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pinggao group company | 69 |
Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
integrated connecting lever and spring operating mechanism using the same | 4 | 2014 |
spring operating mechanism | 4 | 2014 |
movable and static contact connection assembly and high-voltage isolation grounding swit… 🛈 | 3 | 2011 |
high-voltage direct-current grounding switch and stationary contact component thereof | 3 | 2013 |
method for calculating maximum contact voltage in gas-insulated substation | 3 | 2015 |
trip device and spring actuation mechanism with same | 3 | 2014 |
ultrahigh voltage direct current wall bushing and shielding structure thereof | 3 | 2011 |
interlocking device for switch device and switch cabinet using same | 3 | 2015 |
electromagnetic differential safety valve | 3 | 2012 |
arc extinguishing chamber for isolation breaker and isolation breaker comprising same | 3 | 2014 |