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发明名称
摘要
申请公布号
JPS62113812(U)
申请公布日期
1987.07.20
申请号
JP19860000984U
申请日期
1986.01.08
申请人
发明人
分类号
B23D79/00;B21C43/00;(IPC1-7):B21C43/00
主分类号
B23D79/00
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代理人
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