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All Patents in class 112/256
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
557,496	Mar. 31, 1896	J.F. Duryea	Engine or Motor
1,797,547	Mar. 24, 1931	G.M. Class	Lubricating Device for the Ways of Lathes	metalworking machine lubrication

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