198 / | HD | CONVEYORS: POWER-DRIVEN |
493 | CONVEYOR HAVING IMPINGING FLUID TO FEED, SHIFT OR DISCHARGE LOAD; OR MEANS TO FACILITATE CLEANING OF CONVEYOR; OR STERILIZING OR LUBRICATING MEANS {2} | |
494 | DF | .~> Having cleaning means {3} |
500 | DF | .~> Having lubricating means {1} |