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All Patents in class 137/398
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	143,761	Oct. 21, 1873	J.W. Hodges	Steam-Traps
	439,907	Nov. 04, 1890	H.E. Stager	Return bend for steam-radiators
	1,302,948	May 06, 1919	C.R. Meston	Valve for refrigerating-systems
	1,677,970	Jul. 24, 1928	J.T. Janette	Safety device for fuel systems

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