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发明名称
摘要
申请公布号
JP4045813(B2)
申请公布日期
2008.02.13
申请号
JP20020040741
申请日期
2002.02.18
申请人
发明人
分类号
B22D11/22;B21B19/04;B21B19/06;B22D11/00;B22D11/124
主分类号
B22D11/22
代理机构
代理人
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