| 266 / | HD | METALLURGICAL APPARATUS |
| 78 | DF | WITH CONTROL MEANS RESPONSIVE TO SENSED CONDITION {6} |
| 81 | DF | .~ With means supplying a treating agent {3} |
| 82 | ![]() | .~.~ Correlated flow of diverse fluents {2} |
| 83 | DF | .~.~.~> With flow rate sensor |
| 84 | DF | .~.~.~> With means sensing moisture content |