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All Patents in class 123/81C
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,198,061	Sep. 12, 1916	C.E. Sargent	Internal Combustion Engine
	2,444,103	Jun. 29, 1948	J.G. Kuhn	Sleeve Valve Internal-Combustion Engine

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