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发明名称
摘要
申请公布号
JPS6427160(U)
申请公布日期
1989.02.16
申请号
JP19870119934U
申请日期
1987.08.05
申请人
发明人
分类号
B22C9/10;B22D19/00;(IPC1-7):B22D19/00
主分类号
B22C9/10
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