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发明名称
摘要
申请公布号
JP3950011(B2)
申请公布日期
2007.07.25
申请号
JP20020145137
申请日期
2002.05.20
申请人
发明人
分类号
B22D17/20;B22D17/02
主分类号
B22D17/20
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