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PCE
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CPC Subgroup
G11B 11/12

using recording by optical means (G11B11/03 takes precedence )

Full Title

Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor > using recording by optical means (G11B11/03 takes precedence )

1 direct subcode

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