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All Patents in class 74/131
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	7,688X	Jul. 27, 1833	E. Bates	Steam power
	264,191	Sep. 12, 1882	J.E. Mustard	Traction Engine
	1,938,785	Dec. 12, 1933	B. Sassen	Transmission Mechanism

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