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发明名称
Messsonde zur Ermittlung des raeumlichen Verlaufes von Erdbohrloechern
摘要
申请公布号
DE1089705(B)
申请公布日期
1960.09.29
申请号
DE1958U005855
申请日期
1958.12.23
申请人
UESTAV PRO VYZKUM RUD
发明人
NECHVILE RNDR. JIRI
分类号
E21B47/022;G01V9/00
主分类号
E21B47/022
代理机构
代理人
主权项
地址
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