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发明名称
摘要
申请公布号
JPH0128833(Y2)
申请公布日期
1989.09.01
申请号
JP19840048451U
申请日期
1984.04.04
申请人
发明人
分类号
B02C18/00;B02C13/09;B02C23/08;B08B15/02;(IPC1-7):B02C23/08
主分类号
B02C18/00
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