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All Patents in class 416/174
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,962,380	Jun. 12, 1934	G.A. Biggs	Hydraulic Turbine
	2,307,622	Jan. 05, 1943	H.N. Edens, C.B. Molter	Windmill

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