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3156285
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Information
Patent Grant
3156285
References
Source
Patent Number
3,156,285
Date Filed
Not available
Date Issued
Tuesday, November 10, 1964
60 years ago
CPC
B21D28/28 - in tubes or other hollow bodies
Y10T83/386 - With expanding mandrel
Y10T83/391 - With means to position tool[s] for cutting
US Classifications
072 - Metal deforming
083 - Cutting
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