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发明名称
摘要
申请公布号
JPH0528433(U)
申请公布日期
1993.04.16
申请号
JP19910078957U
申请日期
1991.09.30
申请人
发明人
分类号
B02C18/00;(IPC1-7):B02C18/40
主分类号
B02C18/00
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