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发明名称
Inflating pump for oil well packers
摘要
申请公布号
US2942669(A)
申请公布日期
1960.06.28
申请号
US19570699649
申请日期
1957.11.29
申请人
JERSEY PRODUCTION RESEARCH COMPANY
发明人
MOUNCE WHITMAN D.;BARRY ADELBERT
分类号
E21B33/127
主分类号
E21B33/127
代理机构
代理人
主权项
地址
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