All Patents in class 72/20.1


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All Patents in class 72/20.1
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	3,260,086	Jul. 12, 1966	H.D. Prutton	Wire Drawing Apparatus
	3,469,435	Sep. 30, 1969	G.H. Trautman, Jr.	Level control for hydraulic press brakes and the like