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发明名称
METHOD FOR FORMING SURFACE-COLORING FILM ON COPPER AND COPPER ALLOY USING (NH4)2S2O8
摘要
申请公布号
KR1019960015378(B1)
申请公布日期
1996.11.11
申请号
KR1019940011493
申请日期
1994.05.24
申请人
发明人
分类号
主分类号
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代理人
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