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3843964
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Information
Patent Grant
3843964
References
Source
Patent Number
3,843,964
Date Filed
Not available
Date Issued
Tuesday, October 22, 1974
49 years ago
CPC
G11B5/865 - by contact "printing"
G06K1/12 - otherwise than by punching
G06K1/16 - by reproducing data from one punched card on to one or more punched cards without the code representation
US Classifications
360 - Dynamic magnetic information storage or retrieval
015 - Brushing, scrubbing, and general cleaning
369 - Dynamic information storage or retrieval
G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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