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发明名称
ABRASIVE PRODUCTS
摘要
申请公布号
ZA8503837(B)
申请公布日期
1986.01.29
申请号
ZA19850003837
申请日期
1985.05.21
申请人
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED
发明人
RICHARD PATRICK BURNAND;CORNELIUS PHAAL;PETER NOEL TOMLINSON
分类号
B24B;B24D;E21B
主分类号
B24B
代理机构
代理人
主权项
地址
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