DIFF Subgroup Additional Only
G10H 2220/221 Keyboards, i.e. configuration of several keys or key-like input devices relative to one another
Full Title
Input/output interfacing specifically adapted for electrophonic musical tools or instruments > User input interfaces for electrophonic musical instruments > Keyboards, i.e. configuration of several keys or key-like input devices relative to one another
Of 8 combined children, 0 exist in both systems.
8 codes are CPC-only extensions.
Note: 8 CPC extensions are marked as secondary classification only.