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发明名称
摘要
申请公布号
JPS59148102(U)
申请公布日期
1984.10.03
申请号
JP19830040885U
申请日期
1983.03.22
申请人
发明人
分类号
B21B19/04;B21B23/00;B21B25/00;(IPC1-7):B21B25/00
主分类号
B21B19/04
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