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发明名称
摘要
申请公布号
JPS6246438(Y2)
申请公布日期
1987.12.15
申请号
JP19850146474U
申请日期
1985.09.25
申请人
发明人
分类号
B02C2/10;B02C17/16;B02C19/00;B02C19/22;B03B5/00;B03B5/02;(IPC1-7):B02C2/10
主分类号
B02C2/10
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代理人
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