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All Patents in class 33/274
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	313,659	Mar. 10, 1885	J.H. Dolman	Surveyor's Instrument
	513,377	Jan. 23, 1894	V. De Ziegler, C. Hager	Instrument for Ascertaining Distances

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