273 / | HD | AMUSEMENT DEVICES: GAMES |
317 | DF | AERIAL PROJECTILE GAME; GAME ELEMENT (E.G., TARGET, ETC.) OR ACCESSORY THEREFOR OTHER THAN PROJECTOR OR PROJECTILE, PER SE {12} |
317.1 | DF | .~ Simulated game {5} |
317.6 | DF | .~.~ Baseball {2} |
317.7 | .~.~.~ Mechanically pitched or projectile ball {1} | |
317.8 | DF | .~.~.~.~> Tethered ball or projectile |