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DIFF Subgroup Additional Only
G06Q 2220/14

Requiring a supplemental attachment or input, e.g. a dongle, to open

Full Title

Business processing using cryptography > Usage protection of distributed data files > Requiring a supplemental attachment or input, e.g. a dongle, to open

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.