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PCE
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DIFF Subgroup Additional Only
G11B 2005/0002

Full Title

Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (G11B11/00 take precedence)

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.