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| air flap (Lüftungs- und Klimatechnik); damper (Bautechnik); sponge rubber valve (Ansaugluft-Temperaturregelung); ventilation flap (Lüftungs- und Klimatechnik); flapper valve | |||
| air flow control | |||
| butterfly damper | |||
| choke restrictor; restriction | |||
| ventilating shutter | |||
| air choke; air damper; air valve; choke; air flow damper; air-circulation damper; emergency air ventilation flap | |||
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| gills | |||
| Luftklappe: 1 phrase in 1 subject |
| General | 1 |