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发明名称
Closed fluid operated pumping system with parallel and concentric tubings
摘要
申请公布号
US3005414(A)
申请公布日期
1961.10.24
申请号
US19590825051
申请日期
1959.07.06
申请人
KOBE, INC.
发明人
COBERLY CLARENCE J.
分类号
F04B47/04
主分类号
F04B47/04
代理机构
代理人
主权项
地址
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