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经营范围
发明名称
Abrasive bodies
摘要
申请公布号
GB2153280(A)
申请公布日期
1985.08.21
申请号
GB19850002284
申请日期
1985.01.30
申请人
* DE BEERS INDUSTRIAL DIAMOND DIVISION
发明人
HENRY BROOKE * DYER
分类号
B21C3/02;B21C3/18;B22F3/14;(IPC1-7):B21C3/02
主分类号
B21C3/02
代理机构
代理人
主权项
地址
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