266 / | HD | METALLURGICAL APPARATUS |
78 | WITH CONTROL MEANS RESPONSIVE TO SENSED CONDITION {6} | |
79 | DF | .~> By treated material sampling means |
80 | DF | .~> With analyzer or computation means |
81 | DF | .~> With means supplying a treating agent {3} |
87 | DF | .~> With temperature sensor {1} |
89 | DF | .~> With pressure sensor |
90 | DF | .~> With means responsive to condition of treated material {2} |