Sinking Float-Operated Irrigation Gate

Humpherys, A.S. (1965) Sinking Float-Operated Irrigation Gate. Patent No. 3,208,225.

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Item Type:	Patent
Subjects:	Practical farm efficiency Mass Import - autoclassified (may be erroneous)
ID Code:	1241
Deposited By:	Dan Stieneke
NWISRL Publication Number:	0018
Last Modified:	06 Mar 2008 16:58

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