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发明名称
摘要
申请公布号
JP4928714(B2)
申请公布日期
2012.05.09
申请号
JP20030559699
申请日期
2003.01.17
申请人
发明人
分类号
B21D22/14;B21D22/16;B21D41/04
主分类号
B21D22/14
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代理人
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地址
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