Ventilation fan accessories, namely, grilles; Ventilating louvers; Filters for air conditioning; Ventilating exhaust fans; HVAC units; Dampers, namely, control devices used in air ducts to regulate the flow of air; Valves for air conditioners; Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Central air-conditioning installations for industrial purposes; Fans for HVAC units

'accessori':3 'air':10,23,30,33,35,40,50 'air-condit':49 'central':48 'clean':36 'condit':11,51 'condition':34 'contain':38 'control':19 'damper':17 'devic':20 'duct':24 'exhaust':13 'fan':2,14,56 'filter':8,41,47 'flow':28 'grill':5 'hvac':15,58 'industri':54 'instal':52 'light':43 'louver':7 'name':4,18 'photocatalyt':46 'purpos':55 'regul':26 'ultraviolet':42 'unit':16,37,59 'use':21 'valv':31 'ventil':1,6,12

QDGCDRIIM

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