发明公开
EP0681674A1 LUFTTECHNISCHE EINRICHTUNG 失效
AIR-DEVICE。

LUFTTECHNISCHE EINRICHTUNG
摘要:
The invention pertains to a ventilation device wherein the air-moving unit (20) delivers at least a portion of the air in ambiant air mode, pulsed at very low frequency using at least one chamber (6) of changeable volume which is connected with the room (2) by way of at least one air passage (21).
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