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All Patents in class 60/39.091
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	927,434	Jul. 06, 1909	W. Dieter, H.W. Shonnard	Air-heater for compressed-air engines
	981,339	Jan. 10, 1911	E.C. Warren	Internal Combustion Pressure Generator

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