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有色金属行业标准(YS)
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YS/T 449-2002 Microstructure inspection method for copper and copper alloy castings and processed products
YS/T 449-2002
YS/T 448-2002 Macrostructure inspection method for copper and copper alloy castings and processed products
YS/T 448-2002
YS/T 101-2002 Energy consumption of copper smelting products
YS/T 101-2002
YS/T 339-2002 Tin Concentrate
YS/T 339-2002
YS/T 457-2003 Cold-rolled strip for double zero aluminum foil
YS/T 457-2003
YS/T 458-2003 Welding wire for aluminum alloy extruded profiles for rail vehicle structures
YS/T 458-2003
YS/T 462-2003 Copper and copper alloy tube, rod and wire product defects
YS/T 462-2003
YS/T 463-2003 Copper and copper alloy sheets, strips and foils Product defects
YS/T 463-2003
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