Ceiling structure with lights

摘要: As a part of ventilating or air conditioning system plurality parallel hollow carrier sections are arranged in spaced relation under ceiling slab. Said provided with upper and lower support means facing towards the space between said sections. At least some plates lighting fixtures on underside thereof. transparent translucent optical panels from plates. Other acoustic panels, cover like. Air flow connection underlying room to is ensured. The walls apertures being spaces cause when operation ventilate its way interior section. stream may be reversed.