CPC Main Group
G09B 15/00 Teaching music (metronomes G04F5/02)
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- G09B 15/02 Boards or like means for providing an indication of notes
- G09B 15/06 Devices for exercising or strengthening fingers or arms; Devices for holding fingers or arms in a proper position for playing (for teaching typing G09B13/00; exercising apparatus for developing or strengthening the muscles for physical training A63B21/00, A63B23/00)
- G09B 15/08 Practice keyboards (for teaching typing G09B13/02)