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All Patents of Type: pipe making machines
Patents 1 - 2 of 2
First set of recordsLast set of records
8,092XMar. 18, 1834A. CoffmanMachine for making stone or earthen pipes (Pipes and tubes)pipe making machines
3,478,557Nov. 18, 1969A.F. TremblayTube Reducing Machinepipe making machines
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