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发明名称
摘要
申请公布号
JPS5218817(U)
申请公布日期
1977.02.10
申请号
JP19750106048U
申请日期
1975.07.30
申请人
发明人
分类号
B22C1/00;B22C5/00;B22C9/02;B22D29/00;(IPC1-7):B22C9/02
主分类号
B22C1/00
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