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发明名称
COMPOSITION AND METHOD FOR BLACKENING METAL ARTICLES
摘要
申请公布号
US3677827(A)
申请公布日期
1972.07.18
申请号
USD3677827
申请日期
1969.09.09
申请人
OXFORD CHEM.
发明人
ROGER WEAVER;EUGENE SCHAFFSTALL
分类号
C23C22/62;(IPC1-7):C23F7/04
主分类号
C23C22/62
代理机构
代理人
主权项
地址
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