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摘要
申请公布号
JPS63201642(U)
申请公布日期
1988.12.26
申请号
JP19870090803U
申请日期
1987.06.15
申请人
发明人
分类号
B02C15/08;(IPC1-7):B02C15/08
主分类号
B02C15/08
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