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经营范围
发明名称
Method and apparatus for logging wells
摘要
申请公布号
US2222149(A)
申请公布日期
1940.11.19
申请号
US19390306471
申请日期
1939.11.28
申请人
CASOLOG INC.
发明人
LIPSON EDWARD
分类号
G01V3/20
主分类号
G01V3/20
代理机构
代理人
主权项
地址
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