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发明名称
摘要
申请公布号
JP3400272(B2)
申请公布日期
2003.04.28
申请号
JP19960347797
申请日期
1996.12.26
申请人
发明人
分类号
B21B19/04;C22C38/00;C22C38/18;(IPC1-7):B21B19/04
主分类号
B21B19/04
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