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发明名称
摘要
申请公布号
JP4930185(B2)
申请公布日期
2012.05.16
申请号
JP20070131543
申请日期
2007.05.17
申请人
发明人
分类号
B21C49/00;B21B39/00;B21B39/08
主分类号
B21C49/00
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代理人
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