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Subjects USDA Remove constraint USDA: USDA Year 2004 Remove constraint 2004: 2004 Authors Beckley, R.G. Remove constraint Beckley, R.G.: Beckley, R.G.

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1. Accessible hand pump

Description:: Includes references
Author:: Beckley, R.G. , Harding, C.W. , Kuhn, T.V.
Subject:: pumps , portable equipment , water flow , patents , USDA , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2004