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All Patents in class 73/322.5
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,839,865	Jan. 05, 1932	P.E. Chapman	Liquid-level regulator
	2,416,267	Feb. 18, 1947	W.S. Landon	Automatic Orifice Cleaning Device

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