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发明名称
Retrievable high temperature well packer apparatus
摘要
申请公布号
US3289766(A)
申请公布日期
1966.12.06
申请号
US19630302391
申请日期
1963.08.15
申请人
BAKER OIL TOOLS, INC.
发明人
BIGELOW HERBERT L.
分类号
E21B33/12;E21B33/129
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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