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发明名称
DEVICE IN CONJUNCTION WITH TUBES INTENDED FOR DRILLING IN EARTH FOR PERFORMING SO-CALLED GROUTING
摘要
申请公布号
CA794583(A)
申请公布日期
1968.09.17
申请号
CAD794583
申请日期
申请人
STABILATOR AKTIEBOLAG
发明人
BENGT K. B. JANSSON
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主分类号
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