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发明名称
摘要
申请公布号
JP4082115(B2)
申请公布日期
2008.04.30
申请号
JP20020210116
申请日期
2002.07.18
申请人
发明人
分类号
B21B1/46;B22D11/12;B21B15/00;B21B27/02;B22D11/06
主分类号
B21B1/46
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代理人
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