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发明名称
ROCK DRILL BIT
摘要
申请公布号
AU587514(B2)
申请公布日期
1989.08.17
申请号
AU19860066475
申请日期
1986.12.12
申请人
HILTI AKTIENGESELLSCHAFT
发明人
DIETER SCHOLZ;FRIEDRICH FLESCH
分类号
E21B10/46;E21B10/44;E21B10/56;E21B10/58;E21C35/18;(IPC1-7):E21B10/46
主分类号
E21B10/46
代理机构
代理人
主权项
地址
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