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摘要
申请公布号
JP3056466(B2)
申请公布日期
2000.06.26
申请号
JP19980233767
申请日期
1998.08.20
申请人
发明人
分类号
B21B1/02;B21B15/00;B21J1/02;(IPC1-7):B21B15/00
主分类号
B21B1/02
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代理人
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