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Precision Extruded Products, Inc.
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Elgin, IL, US
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Patent Grant
Method of sizing and straightening extruded tubes
Patent number
4,926,667
Issue date
May 22, 1990
Precision Extruded Products, Inc.
James E. Markiewicz
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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