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All Patents in class 137/630.15
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
2,151,657	Mar. 21, 1939	B.E. Folke	Valve	feedwater apparatus
3,102,555	Sep. 03, 1963	L.A. Botkin	Floating restrictor for dispensing nozzle

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