| 454 / | HD | VENTILATION |
| 196 | DF | MEANS COMBINED WITH WINDOW {12} |
| 200 | DF | .~ With air pump {5} |
| 201 | ![]() | .~.~ Cooling air conditioner {3} |
| 202 | DF | .~.~.~> Having readily moveable flow control means |
| 203 | DF | .~.~.~> With extensible side panel |
| 204 | DF | .~.~.~> With mounting or support means |