Air devices for ventilation and Air conditioning apparatus, Heat exchangers, not parts of machines, Ventilation and air conditioning apparatus, in particular decentralised facade ventilating apparatus, and parts for the aforesaid apparatus, included in class 11, in particular for air distribution, air filtering, air volume regulation, including all of the aforesaid goods being assembled to form installations and units, including modified apparatus for soundproofing and for fire protection; Apparatus for ventilation and air conditioning technology, included in class 11; Regulating apparatus for all the aforesaid goods.;
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