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发明名称
Apparatus for neutron well logging
摘要
申请公布号
US2923825(A)
申请公布日期
1960.02.02
申请号
US19540412195
申请日期
1954.02.08
申请人
WELL SURVEYS, INC.
发明人
SWIFT GILBERT
分类号
G01V5/10;H01J47/12
主分类号
G01V5/10
代理机构
代理人
主权项
地址
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