Reciprocating piston type motor systems
作者： Rufus B Johnston
DOI:
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摘要:
lens.org 参考文章(11)
John L Welcher, Pumping unit with reversing method ,(1958)
Helenberg John, Pressure actuated trip valve ,(1935)
James W E Hanes, Sucker rod and pump rotating apparatus ,(1958)
Rufus B Johnston, Hydraulic pumping system ,(1956)
Wade H. Wineman, Exhaust control for a pump operating motor ,(1937)
Clarence J Coberly, Rod-type fluid operated pumping system ,(1957)
Marvin L Jones, Hydraulically operated pumping apparatus ,(1956)
Vincent Renic Price, Pressure fluid operated pumping mechanism ,(1959)
Mason John Conley, Hydraulic pumping jack ,(1950)
Earl M. Vanalstyne, Hydraulic pump jack with separable piston ,(1957)