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发明名称
摘要
申请公布号
JPS6332645(U)
申请公布日期
1988.03.02
申请号
JP19860125554U
申请日期
1986.08.18
申请人
发明人
分类号
B02C17/00;B01F3/12;C10L1/32;(IPC1-7):B02C17/00
主分类号
B02C17/00
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代理人
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