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henan pinggao electric company | 57 |
Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
spring operating mechanism | 4 | 2014 |
integrated connecting lever and spring operating mechanism using the same | 4 | 2014 |
method for simulating gis transformer substation to produce very fast transient overvolt… 🛈 | 4 | 2010 |
movable and static contact connection assembly and high-voltage isolation grounding swit… 🛈 | 3 | 2011 |
earthing switch assembling unit and high-speed earthing switch | 3 | 2013 |
energy accumulator with air leakage alarm apparatus and hydraulic operating mechanism | 3 | 2014 |
built-in coupler for measuring local discharge of gis (gas insulated switchgear) | 3 | 2011 |
method for calculating maximum contact voltage in gas-insulated substation | 3 | 2015 |
high-voltage direct-current grounding switch and stationary contact component thereof | 3 | 2013 |
hydraulic operating mechanism for high pressure switch and hydraulic working cylinder th… 🛈 | 3 | 2014 |