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Low voltage mutual inductor material feeding mold and its technique for applying with separate assembling type chamber
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Fixing tool and fixing means when a kind of casting for potential winding
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A kind of band vacuum switch prepaid high voltage metering box
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A kind of integral type payment system
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A kind of electric energy meter turnover pallet on transfer matic
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Electric energy meter transformator scolding tin and voltage-withstand test automatic assembly line
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Mechanical power energy meter voltage display circuit
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