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发明名称
摘要
申请公布号
JPS5146050(B1)
申请公布日期
1976.12.07
申请号
JP19710046300
申请日期
1971.06.28
申请人
发明人
分类号
B22C9/10;B22D11/04;(IPC1-7):B22D11/04
主分类号
B22C9/10
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