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发明名称
摘要
申请公布号
JP3857817(B2)
申请公布日期
2006.12.13
申请号
JP19980240064
申请日期
1998.08.26
申请人
发明人
分类号
B21B3/02;B22D11/06;B21B9/00;B22D11/00;B22D11/12
主分类号
B21B3/02
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