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发明名称
CUTTING TOOL FOR A MINING MACHINE
摘要
申请公布号
AU615230(B2)
申请公布日期
1991.09.26
申请号
AU19880024627
申请日期
1988.11.02
申请人
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED
发明人
CHRISTOPHER NICHOLAS COMYNS OWERS;TREVOR JOHN MARTELL
分类号
E21C35/18;E21C35/183
主分类号
E21C35/18
代理机构
代理人
主权项
地址
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