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All Patents in class 83/146
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
421,895	Feb. 25, 1890	A. Beaudry	Machine for punching and shearing metal	metal punching machines
1,958,705	May 15, 1934	W.F. Klein	Apparatus for Thin Wall Broaching

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