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 | .~.~ Baseball {2} | |
317.7 | DF | .~.~.~> Mechanically pitched or projectile ball {1} |
317.9 | DF | .~.~.~> Mechanically batted ball or projectile |