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People : Ditzler, Paul H.

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Humpherys, Allan S. and Ditzler, Paul H. (1972) Fiber Glass Automatic Irrigation Gates. pp. 28.1.139-28.1.144. In: Int. Comm. on Irrig. and Drain., 8th Congr. Bulgaria, 1972/05.

This list was generated on Thu Apr 25 11:52:52 2024 MDT.