198 / | HD | CONVEYORS: POWER-DRIVEN |
860.1 | CONVEYOR FRAME OR CASING {3} | |
860.2 | DF | .~> Modules connectable end-to-end with no relative movement |
860.3 | DF | .~> Casing, cover, shield or load supporting surface {2} |
861.1 | DF | .~> Adjustable conveyor frame or casing {4} |