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摘要
申请公布号
JP3369475(B2)
申请公布日期
2003.01.20
申请号
JP19980182914
申请日期
1998.06.29
申请人
发明人
分类号
B21C37/08;B21C37/083;B21D5/12;B23K13/00;(IPC1-7):B21D5/12
主分类号
B21C37/08
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