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PCE
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CPC Subgroup
G11B 7/24003

Shapes of record carriers other than disc shape

Full Title

Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation , reproducing using an optical beam at lower power ; Record carriers therefor (G11B11/00, G11B13/00 take precedence) > Record carriers characterised by shape, structure or physical properties, or by the selection of the material (characterised by the arrangement of information on the carrier G11B7/007) > Shapes of record carriers other than disc shape

3 direct subcodes

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