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发明名称
摘要
申请公布号
JP3990554(B2)
申请公布日期
2007.10.17
申请号
JP20010196510
申请日期
2001.06.28
申请人
发明人
分类号
B21B3/00;C22C38/00;C21D9/46;C22C38/06;C22C38/54;C22C38/58
主分类号
B21B3/00
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