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CPC
G11B21/14

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GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B21/00Head arrangements not specific to the method of recording or reproducing

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Patents Grantslast 30 patents

Information Patent Grant
2936342
- Patent number 2,936,342
- Issue date May 10, 1960
- G11 - INFORMATION STORAGE