Umluftventilator /TECH,INDUSTRY/
[DE] Umluftventilator
[EN] re-cycling fan
[FR] ventilateur de recyclage
Umluftventilator,Umwälzventilator /ENG-MECHANICAL/
[DE] Umluftventilator; Umwälzventilator
[EN] air mixing fan
[FR] ventilateur de brassage; ventilateur de mélange; ventilateur de recirculation