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3800349
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Patent Grant
3800349
References
Source
Patent Number
3,800,349
Date Filed
Not available
Date Issued
Tuesday, April 2, 1974
50 years ago
CPC
G06K21/08 - Apparatus or tools for correcting punching or slotting errors and regeneration of record carriers
US Classifications
015 - Brushing, scrubbing, and general cleaning
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