198 / | HD | CONVEYORS: POWER-DRIVEN |
373 | DF | CONVEYOR FOR CHANGING ATTITUDE OF ITEM RELATIVE TO CONVEYED DIRECTION {12} |
411 | DF | .~ By conveyor and means driven for turning successive conveyed items {2} |
412 | .~.~ By means between successive conveyor sections or conveyor elements {1} | |
413 | DF | .~.~.~> By means which interdigitate with conveyor sections or elements {1} |