All Patents in class 73/475


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All Patents in class 73/475
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	2,594,581	Apr. 29, 1952	C.H. Phelps	Balance Testing Machine Rotor Mounting
	3,452,604	Jul. 01, 1969	F.C. Schaub	Balance testing apparatus head