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All Patents in class 72/204
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,561,803	Nov. 17, 1925	H.C. Smith	Strip-Straightening Attachment For Rotary Shears
	2,991,673	Jul. 11, 1961	A.F. van Rooij	Device for grooving superfinished steel shafts

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