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发明名称
摘要
申请公布号
JP2697735(B2)
申请公布日期
1998.01.14
申请号
JP19870220418
申请日期
1987.09.04
申请人
发明人
分类号
H01H1/04;B22F7/00;C22C1/05;(IPC1-7):B22F7/00
主分类号
H01H1/04
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代理人
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