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Patents Granted on 1972-11-21
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
CA-915,294Nov. 21, 1972J.C. JonesGrinding Machinesroll grinding machines
3,703,196Nov. 21, 1972C. HedreiSystem for controlling the setting of a quadruple band sawband sawmills
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