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经营范围
发明名称
Pipe inspection apparatus
摘要
申请公布号
US2882488(A)
申请公布日期
1959.04.14
申请号
US19540433577
申请日期
1954.06.01
申请人
TUBOSCOPE COMPANY
发明人
PRICE BERRY GLENN;WOOD FENTON M.;UNGER JULIAN H.
分类号
E21B17/00;G01N27/90
主分类号
E21B17/00
代理机构
代理人
主权项
地址
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