222 / | HD | DISPENSING |
424.5 | DF | SUPPLY CONTAINERS WITH TRAPS {3} |
425 | DF | .~ With trap chamber cutoffs {11} |
434 | .~.~ With discharge volume varying means {4} | |
435 | DF | .~.~.~> With means to prevent adjustment during discharge |
436 | DF | .~.~.~> Trap chambers in series |
437 | DF | .~.~.~> Barometric or angle of repose |
438 | DF | .~.~.~> With means to change trap chamber volume {2} |