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All Patents in class 138/37
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,329,559	Feb. 03, 1920	N. Tesla	Valvular conduit
	2,409,661	Oct. 22, 1946	F.Y. Carter	Refrigerant Distributing Means
	2,827,224	Mar. 18, 1958	R.D. Madison, G.J. Barrie, H.C. Burgin	Inlet vane actuating device

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