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CN109502229A
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A kind of pipe fitting grabbing device
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CN109470048A
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A kind of spiral drying unit
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CN109469747A
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It relies on oneself and seals two-position four way change valve
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CN108980833A
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Pure oxygen natural gas combustion nozzle
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CN108296601A
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Built-up welding welding gun in elbow internal wall built-up welder
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CN108380107A
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It is matched in the mixed powder device of welding wire machine
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CN108356386A
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Elbow internal wall build-up welding apparatus
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CN108382923A
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It is matched in the welding wire barrelling device of welding wire machine
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CN108584364A
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Drawing-in device in welding wire machine
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CN108356448A
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It is matched in the wire rubbing device of welding wire machine
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CN108326399A
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Powder adding device in submerged arc hardfacing machine
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