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Method for monitoring tool wear through current signals
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Squeeze roller cleaning device for surface after a kind of acid tank
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Cu-15Ni-8Sn copper alloys, Copper alloy bar and preparation method thereof
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A kind of preparation method of high bending performance rolled copper foil
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A kind of high-precision rolled copper foil Darkening process produces the processing method of waste water
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The high-precision soft state annealing material rest of rolled copper foil in a kind of bell furnace
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