165 / | HD | HEAT EXCHANGE |
104.11 | DF | INTERMEDIATE FLUENT HEAT EXCHANGE MATERIAL RECEIVING AND DISCHARGING HEAT {5} |
104.19 | .~ Liquid fluent heat exchange material {4} | |
104.21 | DF | .~.~> Utilizing change of state {3} |
104.28 | DF | .~.~> Including means to move heat exchange material {2} |
104.32 | DF | .~.~> With pressurizing means or degassifying means |
104.33 | DF | .~.~> Cooling electrical device |