Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum

Full Title

Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (G11B11/00 take precedence) > Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum

Child Classifications

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• G11B 5/743
• G11B 5/76 Drum carriers
• G11B 5/78 Tape carriers
• G11B 5/80 Card carriers
• G11B 5/82 Disk carriers