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发明名称
摘要
申请公布号
JPS4828996(A)
申请公布日期
1973.04.17
申请号
JP19710062600
申请日期
1971.08.19
申请人
发明人
分类号
C22C1/04;C22C19/07;C22F1/10;H01F1/053
主分类号
C22C1/04
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代理人
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