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发明名称
摘要
申请公布号
JP3721504(B2)
申请公布日期
2005.11.30
申请号
JP20000229991
申请日期
2000.06.22
申请人
发明人
分类号
B21K1/50;B21J5/02;B21J13/00;(IPC1-7):B21K1/50
主分类号
B21K1/50
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代理人
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