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All Patents in class 192/221
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
2,519,794	Aug. 22, 1950	H.C. Kemper, H.J. Siekmann	Hydraulic Gear Shifting Mechanism	metalworking machine mechanisms
2,877,655	Mar. 17, 1959	R.J. Flanigan, D.B. Eayeart	Hydraulic Control for Gear Transmissions	metalworking machine mechanisms

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