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发明名称
摘要
申请公布号
JP3124139(B2)
申请公布日期
2001.01.15
申请号
JP19920342361
申请日期
1992.12.22
申请人
发明人
分类号
B21B39/00;B21C47/02;B65H23/192;(IPC1-7):B21C47/02
主分类号
B21B39/00
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代理人
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