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发明名称
摘要
申请公布号
JPS5630439(Y2)
申请公布日期
1981.07.20
申请号
JP19760125262U
申请日期
1976.09.20
申请人
发明人
分类号
B22C23/00;B22C25/00;(IPC1-7):B22C23/00
主分类号
B22C23/00
代理机构
代理人
主权项
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