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Patents Granted on 1972-09-12
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
3,689,988Sep. 12, 1972R.A. JerueMachine tool with automatic tool changing mechanismtool changers and storage mechanisms
3,690,568Sep. 12, 1972D.K. AlexanderWood grindingwood grinding machines
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