198 / | HD | CONVEYORS: POWER-DRIVEN |
434 | DF | CONVEYOR SYSTEM FOR ARRANGING OR REARRANGING STREAM(S) OF ITEMS {5} |
443 | DF | .~ By queueing items from quantity source of items into stream(s) of items {4} |
445 | DF | .~.~ Forming plural streams {2} |
447 | .~.~.~ And merging plural streams into one stream |