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发明名称
摘要
申请公布号
JPS5648440(Y2)
申请公布日期
1981.11.12
申请号
JP19760074381U
申请日期
1976.06.10
申请人
发明人
分类号
B22D11/10;B22D1/00;B22D41/50;(IPC1-7):B22D11/10
主分类号
B22D11/10
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代理人
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