| 198 / | HD | CONVEYORS: POWER-DRIVEN |
| 418 | DF | CONVEYOR SYSTEM FOR ESTABLISHING AND MOVING A GROUP OF ITEMS {8} |
| 418.7 | DF | .~ Subdivides continuous item stream into longitudinally spaced groups {4} |
| 419.2 | DF | .~.~ By different speed conveyors {1} |
| 419.3 | ![]() | .~.~.~ With spaced dividers on conveyor limiting group size |