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发明名称
摘要
申请公布号
JPH0538712(U)
申请公布日期
1993.05.25
申请号
JP19920002913U
申请日期
1992.01.30
申请人
发明人
分类号
C22C9/00;H01B7/04;H01B11/06;(IPC1-7):H01B7/04
主分类号
C22C9/00
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代理人
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