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发明名称
Vorrichtung zur Untersuchung der Umgebung eines Bohrloches
摘要
申请公布号
DE1294694(B)
申请公布日期
1969.05.08
申请号
DE196000SC249
申请日期
1960.07.30
申请人
SCHLUMBERGER WELL SURVEYING CORP.
发明人
HENRY COLLWITZER, LEE
分类号
G01V1/48
主分类号
G01V1/48
代理机构
代理人
主权项
地址
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