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发明名称
Well logging equipment
摘要
申请公布号
US2475354(A)
申请公布日期
1949.07.05
申请号
US19470778682
申请日期
1947.10.08
申请人
SCHLUMBERGER WELL SURVEYING CORPORATION
发明人
DOLL HENRI-GEORGES
分类号
G01V3/26
主分类号
G01V3/26
代理机构
代理人
主权项
地址
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