Reciprocating pump

https://www.wikidata.org/wiki/Q16969019

Field Hierarchy

Parent
Piston 0 papers	Physics 33.4M papers	Engineering 25.4M papers	Mechanical engineering 5.6M papers
Thermodynamics 5.1M papers	Mechanics 2.9M papers	Aerospace engineering 2.3M papers	Gas compressor 104k papers
Hydraulic pump 6,214 papers		Variable displacement pump 5,200 papers
Current
Reciprocating pump 3,554 papers
Child
Progressive cavity pump 3,128 papers	Rotodynamic pump 2,002 papers	Axial-flow pump 1,448 papers

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History