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Lightning stroke detection trigger circuit
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Dehumidification device and electrical equipment
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A kind of conducting wire fastening kit for insulator
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A kind of sub- composite fastener external member of wire insulation and connecting device for line
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A kind of transmission line of electricity heat generating spot monitoring and protecting device
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A kind of totally-enclosed Power Quality Comprehensive Treatment Device
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A kind of contactor with wide-voltage range applies loop
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Power frequency current-prevention discharge gap device
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The anti-electro-heat equipment of a kind of drainage plate and there is the transmission line of electricity of this device
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DC system intelligent sensor
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PCB board card framework structure
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A kind of fastening structure of display casing
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Multiplexing reactor switching module
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Multiplexed-capacitor group switching module
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Controller of three-phase imbalance adjusting device
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Three-phase load unbalance adjustment apparatus
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Unbalance adjustment system for low-voltage station area distribution transformer secondary side
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