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发明名称
Driven well point
摘要
申请公布号
US2578996(A)
申请公布日期
1951.12.18
申请号
US19480004345
申请日期
1948.01.26
申请人
SHELL DEVELOPMENT COMPANY
发明人
ENDERSBY VICTOR A.
分类号
E02D3/12;E03B3/12;E21B7/26;E21B33/12;E21B34/12
主分类号
E02D3/12
代理机构
代理人
主权项
地址
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