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Roof structure with airflow channel
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Power customer credit rating evaluation system
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Guy wire bender
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Simple hand-operated puncher
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Checking device for zinc oxide arrester detector
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Safe assembly and disassembly device for high-voltage grounding wires
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Gas chromatograph test device
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Power supply changeover box
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Rod pit measuring instrument
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Polarity detecting device of current mutual inductor
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Adsorption cover taking device
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Coming-off prevention delivering rope for electrician pole-climbing operation
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Quick installer of line fault indicator light
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Antiskid electrician safety belt and method for climbing rod by using belt
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Special 10kV electrified disconnection leading fixture and disconnection leading method using same
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Lock catch type safety-measure railing
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Integrated intelligent monitoring system applicable to substation direct-current power supply
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Live line insulated locking lever, and method for installing and disassembling lead
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Wrench
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Electric power line deicer
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