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发明名称
METHOD FOR BLACKENING METALS AND NOVEL COMPOSITIONS THEREFOR
摘要
申请公布号
CA759411(A)
申请公布日期
1967.05.23
申请号
CAD759411
申请日期
申请人
THE MITCHELL-BRADFORD CHEMICAL CO.
发明人
ABRAHAM J. MITCHELL
分类号
主分类号
代理机构
代理人
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