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摘要
申请公布号
FR2206384(A2)
申请公布日期
1974.06.07
申请号
FR19720040112
申请日期
1972.11.13
申请人
LE NICKEL,FR
发明人
分类号
C22B23/00;C23F1/20;C25C1/08;(IPC1-7):C22B23/00;C22D1/00
主分类号
C22B23/00
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代理人
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