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发明名称
摘要
申请公布号
JPS62113813(U)
申请公布日期
1987.07.20
申请号
JP19850203610U
申请日期
1985.12.28
申请人
发明人
分类号
B23D33/00;B21C47/00;B65H23/10;(IPC1-7):B21C47/00
主分类号
B23D33/00
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代理人
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