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发明名称
CUTTING TOOL FOR A MINING MACHINE
摘要
申请公布号
ZA8808111(B)
申请公布日期
1989.07.26
申请号
ZA19880008111
申请日期
1988.10.28
申请人
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED
发明人
CHRISTOPHER NICHOLAS COMYNS OWERS;TREVOR JOHN MARTELL
分类号
E21C
主分类号
E21C
代理机构
代理人
主权项
地址
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