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发明名称
Wire line setting tool and well plug
摘要
申请公布号
US2784790(A)
申请公布日期
1957.03.12
申请号
US19540430116
申请日期
1954.05.17
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
BOER GEORGE;O'REILLY WALLACE M.;TRUE MARTIN E.
分类号
E21B23/06;E21B33/127
主分类号
E21B23/06
代理机构
代理人
主权项
地址
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