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2021
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Invention
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Sandwich-type resistor. The present invention relates to the technical field of resistors, in par... |
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Invention
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Anti-high current resistor. The present invention relates to the technical field of resistors, in... |
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Invention
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Tap water cooling bridge arm based on aluminum nitride. A tap water cooling bridge arm based on a... |
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Invention
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Multifunctional self-checking switching-on power supply device. A multifunctional self-checking s... |
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Invention
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Improved grounding transformer doubling as station transformer. The present invention relates to ... |
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Invention
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Power distribution network grounding fault step-down active arc extinction power supply and contr... |
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Invention
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New secondary wire break protection apparatus for current transformer. A new secondary wire break... |
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Invention
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Hybrid circuit breaker based on line inductance energy self-measurement, and storage medium there... |
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Invention
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Switching transistor parallel current sharing verification device. A switching transistor paralle... |
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Invention
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Power grid single phase-to-ground fault simulation load device. A power grid single phase-to-grou... |
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Invention
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Compact vehicle-mounted direct-current deicing power supply. A compact vehicle-mounted direct-cur... |
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Invention
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Pre-magnetizing apparatus for power supply transformer. The present invention relates to the tech... |
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Invention
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Processing apparatus for output excitation of grid-connected converter. The present utility model... |
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Invention
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Low-voltage hybrid direct-current circuit breaker. The present utility model relates to a low-vol... |
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Invention
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Direct current de-icing device. A direct current de-icing device, comprising a CPU and six groups... |
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Invention
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Copper bar manufacturing method and copper bar structure. The present invention relates to the te... |
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Invention
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Band-type resistor having large current surge resistance. The present invention relates to the te... |
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Invention
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Active load regulation resistor. The present utility model relates to the technical field of resi... |
