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发明名称
摘要
申请公布号
JP3107872(B2)
申请公布日期
2000.11.13
申请号
JP19910274574
申请日期
1991.09.26
申请人
发明人
分类号
B02C18/16;B02C18/06;B02C18/24;(IPC1-7):B02C18/06
主分类号
B02C18/16
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