İngilizce | Almanca | |
---|---|---|
Patent | ||
Patent | automatic staircase lighting switch | Treppenhausautomat |
Electrical Engineering | ||
Electrical Engineering | three-position switch (lighting) | Treppenschalter [m] |
Electrical Engineering | three-position switch (lighting) | Wechselschalter [m] |
Electrical Engineering | three-position switch (lighting) | Treppenschalter (Beleuchtung) [m] |