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Tennis ball picker with ball pickup clip
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Scrap copper smelting furnace
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Fingernail scissors capable of collecting fingernails
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Grinding device capable of freely regulating grinding pressure
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Scrap copper smelting method
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Determination method for content of copper in copper smelting furnace slag
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Mobile phone protection shell with support frame
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Automobile variable displacement driving system
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Hydraulic mechanical arm capable of realizing wide-angle turning
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Closed blocking type brake
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Cooling water system with connecting hose
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Hydraulic oil clutch control device for gearless speed changer
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Part correction frame with freely changeable correction plate
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Spraying steam pipeline of disk casting machine
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Mould for pouring copper anode plate casting mould
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Part correction frame
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