CPC Main Group Additional Only
G11B 2220/00 Record carriers by type
6 direct subcodes
Child Classifications
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- G11B 2220/17 Card-like record carriers
- G11B 2220/20 Disc-shaped record carriers
- G11B 2220/40 Combinations of multiple record carriers
- G11B 2220/60 Solid state media
- G11B 2220/80 Indexing information stored in optical or magnetic or other strip attached to cassette or disc, e.g. barcodes attached to a recording medium
- G11B 2220/90 Tape-like record carriers