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Patents for Walter Ernst
Patents 46 - 47 of 47
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NumberDatePatenteeTitleType
3,083,535Apr. 02, 1963F.G. Krafft, W. ErnstHydraulic servo systemhydraulic apparatus
DE-1,153,585Aug. 29, 1963F.G. Krafft, W. ErnstRegulating hydraulic drives for grinding machines by radial displacement of a ring surrounding the rotor of the pumpgrinding machines
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