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 |