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经营范围
发明名称
Abrasives und verschleissfestes Material.
摘要
申请公布号
DE3789335(T2)
申请公布日期
1994.07.14
申请号
DE19873789335T
申请日期
1987.08.10
申请人
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LTD., JOHANNESBURG, TRANSVAAL
发明人
PARSON, STEPHEN ANTHONY, MONDEOR JOHANNESBURG TRANSVAAL;DYER, HENRY BROOKE, BRYANSTON TRANSVAAL;DODSWORTH, JOHN, TRIMDON VILLAGE COUNTY DURHAM
分类号
C22C1/05;B01J3/06;C22C29/02;(IPC1-7):C22C29/02
主分类号
C22C1/05
代理机构
代理人
主权项
地址
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