62 / | HD | REFRIGERATION |
132 | DF | AUTOMATIC CONTROL {19} |
190 | DF | .~ Refrigeration producer {12} |
208 | .~.~ Single refrigeration producer controlled by plural sensors {2} | |
209 | DF | .~.~.~> Compensating or modifying {1} |
213 | DF | .~.~.~> Alternative or selective sensors |