984 / | HD | MUSICAL INSTRUMENTS |
200 | AUTOMATIC MUSICAL INSTRUMENTS nonmusical aspects of toy instruments A63 5/00; Sound recording and reproducing G11B; Associated working with recording or reproducing apparatus G11B 31/02 {G10F} {3} | |
201 | DD | .~> Automatic musical instruments {G10F 1/00} {7} |
213 | DD | .~> Independent players for keyboard instruments {G10F 3/00} |
214 | DD | .~> Details of, or accesories for, automatic musical instruments {G10F 5/00} {2} |