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经营范围
发明名称
CORPS ABRASIFS
摘要
申请公布号
BE857657(A1)
申请公布日期
1978.02.10
申请号
BE19770180057
申请日期
1977.08.10
申请人
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LTD
发明人
分类号
B24D99/00;(IPC1-7):B28D/
主分类号
B24D99/00
代理机构
代理人
主权项
地址
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