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发明名称
摘要
申请公布号
JPS633935(B2)
申请公布日期
1988.01.26
申请号
JP19790159347
申请日期
1979.12.08
申请人
TANAKA PRECIOUS METAL IND
发明人
IKEDA KOJI
分类号
C22C5/04;C22C5/06;C22C30/00;C22C30/02;G10D9/00
主分类号
C22C5/04
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