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经营范围
发明名称
Retrievable well bore apparatus
摘要
申请公布号
US3097706(A)
申请公布日期
1963.07.16
申请号
US19590844692
申请日期
1959.10.06
申请人
KAMMERER;JEAN K. LAMPHERER;ARCHER W. KAMMERER, JR.
发明人
KAMMERER ARCHER W.
分类号
E21B10/34;E21B10/66
主分类号
E21B10/34
代理机构
代理人
主权项
地址
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