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发明名称
摘要
申请公布号
JP3291226(B2)
申请公布日期
2002.06.10
申请号
JP19970308092
申请日期
1997.10.23
申请人
发明人
分类号
B22D17/20;B22D17/02;B22D17/30;B29C45/20;B29C45/74;(IPC1-7):B22D17/02
主分类号
B22D17/20
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代理人
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