Copper资源列表
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[国外标准] BS EN 13599-2002 Copper and copper alloys. Copper plate, sheet and strip for electrical purposes.
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[国外标准] BS EN 13348-2001 Copper and copper alloys. Seamless, round copper tubes for medical gases or vacuum.
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[国外标准] AS 2738-2000 Copper and copper alloys - Compositions and designations of refinery products, wrought
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[国外标准] BS EN 723-1996 Copper and copper alloys Combustion method for determination of carbon on the inner s