CHAIN GOLD ALLOY WIRE, MANUFACTURING METHOD THEREOF AND GOLD ALLOY CHAIN
To provide a gold alloy wire for manufacturing a chain capable of reducing the occurrence of an irregular shape or a defect of a top and improving the yield of a machine chain, a high-quality and high-grade gold alloy chain using the same, and a method for manufacturing a gold alloy wire for making...
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Sprache: | eng ; jpn |
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