Patent classifications
G
PHYSICS
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G11
INFORMATION STORAGE
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G11B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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25/00
Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing; , e.g. dictating apparatus; Combinations of such apparatus
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G11B25/10
Apparatus capable of using record carriers defined in more than one of the sub-groups G11B25/02 - G11B25/08;; Adaptor devices therefor
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