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2538578
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Information
Patent Grant
2538578
References
Source
Patent Number
2,538,578
Date Filed
Not available
Date Issued
Tuesday, January 16, 1951
74 years ago
CPC
B26F1/28 - by electrical discharges
A42C1/08 - Hat-finishing
A43D8/18 - by punching or perforating
C14B5/00 - Clicking, perforating, or cutting leather
C14B2700/116 - Perforating machines
US Classifications
219 - Electric heating
223 - Apparel apparatus
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