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All Patents in class 83/146
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	421,895	Feb. 25, 1890	A. Beaudry	Machine for punching and shearing metal
	1,423,917	Jul. 25, 1922	S. Diamant	Punch and Die Set
	1,958,705	May 15, 1934	W.F. Klein	Apparatus for Thin Wall Broaching

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