198 / | HD | CONVEYORS: POWER-DRIVEN |
348 | DF | CONVEYOR ARRANGEMENT FOR SELECTING AMONG PLURAL SOURCES OR DESTINATIONS {11} |
349 | DF | .~ With selection responsive to means containing or introducing changeable operating instructions {5} |
349.5 | .~.~ Using central memory to store code until article is discharged {1} | |
349.6 | DF | .~.~.~> Memory stores plural sources or destinations {3} |