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All Patents in class 204/212
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	3,194,751	Jul. 13, 1965	S.G. Brady	Electrolytic Grinder Wheel
	3,345,281	Oct. 03, 1967	J.J. Falls	Electrolytic shaping apparatus
	3,499,830	Mar. 10, 1970	W.A. Haggerty, C.E. Foertmeyer	Apparatus for electrochemically forming and finishing gears

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