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发明名称
Apparatus for well workover operations
摘要
申请公布号
US2782860(A)
申请公布日期
1957.02.26
申请号
US19530386768
申请日期
1953.10.19
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
TAUSCH GILBERT H.;DUBLIN JAMES R.
分类号
B01J20/10;E21B37/00
主分类号
B01J20/10
代理机构
代理人
主权项
地址
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