銅及銅合金平均晶粒度測(cè)定方法 Copper and copper alloys—Estimation of average grain size |
YS/T 347-2004 |
銅及銅合金鑄造和加工制品宏觀組織檢驗(yàn)方法 Copper and copper alloys inspection b of macrostructure for cast and wrought products |
YS/T 448-2002 |
銅及銅合金鑄造和加工制品顯微組織檢驗(yàn)方法 Copper and copper alloys inspection b of microstructure for cast and wrought products |
YS/T 449-2002
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