392 / | HD | ELECTRIC RESISTANCE HEATING DEVICES |
* | DD | HEATING DEVICES (CLASS 219 SUBCLASS 200) {11} |
407 | DF | .~ Radiant heater {10} |
432 | DF | .~.~ Radiant extended surface type heater {2} |
435 | .~.~.~ With heat radiating panel {2} | |
436 | DF | .~.~.~.~> Wall or ceiling mounted {1} |
438 | DF | .~.~.~.~> Heating element formed as coating on radiating panel surface {1} |