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发明名称
摘要
申请公布号
JPH0551454(U)
申请公布日期
1993.07.09
申请号
JP19910104999U
申请日期
1991.12.19
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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