| 984 / | HD | MUSICAL INSTRUMENTS |
| 100 | DD | MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR {aspects of automatic actuation subclasses 200+; Combinations of microphones, pick-ups or amplifiers with musical instruments subclasses 300+; Sound-producing devices not regarded as musical instruments or parts thereof G10K} {G10D} {8} |
| 110 | DD | .~ Details of, or accessories for, stringed musical instruments {G10D 3/00} {9} |
| 119 | DD | .~.~ Tuning devices, e.g., pegs, pins, friction discs, etc. {G10D 3/14} {1} |
| 120 | | .~.~.~ Devices for altering the string tension during playing {G10D 3/14B} {1} |
| 121 | DD | .~.~.~.~> Tremolo devices {G10D 3/14B2} |