Air-conditioning, air cooling and ventilation apparatus and instruments; Air conditioners for vehicles; Air cooling apparatus; Air filtering installations; Air purifying apparatus and machines; Air sterilisers; Electric air deodorizing apparatus; Electric air dryers; Germicidal lamps for purifying air; Water purifying apparatus and machines

'air':2,4,11,15,18,21,26,29,33,39 'air-condit':1 'apparatus':8,17,23,31,42 'condit':3 'condition':12 'cool':5,16 'deodor':30 'dryer':34 'electr':28,32 'filter':19 'germicid':35 'instal':20 'instrument':10 'lamp':36 'machin':25,44 'purifi':22,38,41 'sterilis':27 'vehicl':14 'ventil':7 'water':40

HCIO

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