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发明名称
Pipe-line exploration
摘要
申请公布号
US2940302(A)
申请公布日期
1960.06.14
申请号
US19560579341
申请日期
1956.04.19
申请人
SCHERBATSKOY SERGE A
发明人
SCHERBATSKOY SERGE A.
分类号
G01M3/00;G01M3/18;G01M3/22;G01M3/24;G01M3/28
主分类号
G01M3/00
代理机构
代理人
主权项
地址
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