 |
| |||
| heating element electric kettle etc. | |||
| heating unit; ribbed heater; convector | |||
| basketed air heater element | |||
| heater; heater element | |||
| heating element | |||
| radiator | |||
| |||
| heating elements | |||
|
Heizelement : 22 do fraz, 6 tematyki |
| Chłodzenie | 2 |
| Elektronika | 7 |
| Energia cieplna | 5 |
| Hutnictwo | 1 |
| Przemysł | 6 |
| Transport | 1 |