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All Patents in class 91/255
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	54,090	Apr. 24, 1866	G.H. Babcock, S. Wilcox, Jr.	Improvement in cut-off valves
	255,136	Mar. 21, 1882	B. Brazelle	Cut-off valve

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