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经营范围
发明名称
Abrasive product.
摘要
申请公布号
EP0449547(B1)
申请公布日期
1995.05.31
申请号
EP19910302569
申请日期
1991.03.25
申请人
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED
发明人
HEATH, PETER JAMES;DENHAM, CHRISTOPHER ERIC
分类号
B23B27/14;B23B27/16;B23C5/20;B24D99/00;E21B10/58;(IPC1-7):B24D3/00;E21B10/46
主分类号
B23B27/14
代理机构
代理人
主权项
地址
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