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Intelligent fire-fighting interconnection switch system
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Hydraulic fish feeding machine
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Zero sequence current sampling method and device
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Low-voltage lightning arrester fault networking termination device
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High-voltage arrester fault networking termination device
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Mosquito-removing street lamp
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Nylon insulated voltage transformer
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Silicon rubber insulated voltage transformer
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Nylon insulated current transformer
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A kind of oil gas library ground resistance on-Line Monitor Device
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Bury transformer substation with heat dissipation ventilation unit
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Grounding electrode resistance measuring method and online monitoring device applying same
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A kind of anti-DC current transformer of telescopiform series compensation
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A kind of waterproof low-voltage power distribution cabinet
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A kind of anti-DC current transformer
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A kind of round-the-clock cable distribution box
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A kind of automatic flushing toilet
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A kind of household water heater
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A kind of box-like furniture of smart group
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A kind of alternating current-direct current mobile power source
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