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发明名称
Downhole plugging device for fishing tool
摘要
申请公布号
US3106245(A)
申请公布日期
1963.10.08
申请号
US19600007903
申请日期
1960.02.10
申请人
TEXACO INC.
发明人
CAMPBELL HOSEA L.
分类号
E21B31/03
主分类号
E21B31/03
代理机构
代理人
主权项
地址
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