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All Patents in class 72/31.01
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	173,510	Feb. 15, 1876	E.J. Soligny	Machine for Embossing and Chasing Metal
	1,890,923	Dec. 13, 1932	C.H. Wilson	Test piece support for hardness testers
	3,124,017	Mar. 10, 1964	W.K. Behrendt, W.E. Brainard	Automatic Multiple Spindle Drilling Machine

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