250 / | HD | RADIANT ENERGY |
200 | DF | PHOTOCELLS; CIRCUITS AND APPARATUS {11} |
216 | DF | .~ Optical or pre-photocell system {11} |
221 | DF | .~.~ Controlled by article, person, or animal {1} |
222.1 | DF | .~.~.~ Inanimate article {3} |
223 R | DF | .~.~.~.~ Conveyor or chute {1} |
223 B | .~.~.~.~.~ Bottles |