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发明名称
Vorrichtung zur sicheren Einbringung von Messsonden in Bohrloecher
摘要
申请公布号
DE1189933(B)
申请公布日期
1965.04.01
申请号
DE1963D042465
申请日期
1963.09.12
申请人
DEUTSCHE ERDOEL-AKTIENGESELLSCHAFT
发明人
GRODDE DR. RER. NAT. KARL-HEINZ;SAMOL HERBERT
分类号
E21B23/14
主分类号
E21B23/14
代理机构
代理人
主权项
地址
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