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发明名称
Pressure actuated fishing apparatus
摘要
申请公布号
US3211222(A)
申请公布日期
1965.10.12
申请号
US19630250289
申请日期
1963.01.09
申请人
BAKER OIL TOOLS, INC.
发明人
MYERS WILLIAM D.
分类号
E21B31/107;E21B31/113
主分类号
E21B31/107
代理机构
代理人
主权项
地址
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