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发明名称
摘要
申请公布号
JP4139995(B2)
申请公布日期
2008.08.27
申请号
JP20020323501
申请日期
2002.11.07
申请人
发明人
分类号
B21D28/00;B21D28/34;B21D28/36
主分类号
B21D28/00
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