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Patents Granted on 1923-10-30
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
CA-235,280Oct. 30, 1923A.W. ParkesBoring millvertical boring mills
1,472,062Oct. 30, 1923A.F. FroussardPumpair pumps
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