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发明名称
EQUIPMENT FOR CONTINUOUS HOLE DRILLING IN SOIL
摘要
申请公布号
IL77493(A)
申请公布日期
1989.10.31
申请号
IL19850077493
申请日期
1985.12.31
申请人
TECHNION RESEARCH & DEVELOPMENT FOUNDATION LTD.
发明人
DAN WOLF;AVRAHAM STEIF;ARIE WOLK;GEDALIA MANOR
分类号
E21B3/02;(IPC1-7):E21B3/02
主分类号
E21B3/02
代理机构
代理人
主权项
地址
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