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A kind of high-temperature-resistant high is without beryllium copper wire and preparation method thereof
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A kind of multi-functional copper rod production apparatus for cold rolling
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A kind of copper rod production apparatus for cold rolling
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A kind of high accuracy copper bar apparatus for cold rolling
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A kind of cleaning molten method of oxygen-free copper bar
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A kind of processing method of high-ductility antioxidation cuprio ultra-fine wire
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A kind of up-drawing method prepares the method for high-purity oxygen-free copper bar
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A kind of preparation technology of high-strength and high ductility copper conductor
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A kind of up-drawing method that is suitable for prepares the melt combined purifying method of oxygen-free copper bar
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