DIFF Subgroup
G06K 19/02 characterised by the selection of materials, e.g. to avoid wear during transport through the machine
Introduced: September 1968
Full Title
Record carriers for use with machines and with at least a part designed to carry digital markings > characterised by the selection of materials, e.g. to avoid wear during transport through the machine
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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