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3566356
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Information
Patent Grant
3566356
References
Source
Patent Number
3,566,356
Date Filed
Not available
Date Issued
Tuesday, February 23, 1971
53 years ago
CPC
G11B5/7006 - comprising a magnetic layer on both sides covered with non-magnetic material
G06K19/12 - the marking being sensed by magnetic means
G07F7/086 - by passive credit-cards adapted therefor
US Classifications
235 - Registers
360 - Dynamic magnetic information storage or retrieval
G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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