463 / | HD | AMUSEMENT DEVICES: GAMES |
49 | DF | SIMULATED-PROJECTILE GAME, TARGET THEREFOR, OR ACCESSORY {3} |
51 | .~ Electromagnetic ray simulates projectile or its path, or utilized for coincidence detection (e.g., light-ray gun, infrared aim detector, etc.) {1} | |
52 | DF | .~.~> Having active target (e.g., moving target, "hit" responsive, etc.) |