Air filtration equipment, namely, air purifying apparatus and machines, air filtering apparatus for industrial and airline installations, and filter cartridges for the foregoing

'air':1,5,10 'airlin':16 'apparatus':7,12 'cartridg':20 'equip':3 'filter':11,19 'filtrat':2 'forego':23 'industri':14 'instal':17 'machin':9 'name':4 'purifi':6

Air quality measurement apparatus, namely, air monitoring equipment; electronic-based instruments for measuring environmental parameters, namely, air composition and quality; respirators not for artificial respiration; respirators for non-medical use; air filters for respiratory masks not used for medical purposes; air monitors not for medical use for monitoring and detecting gases in the air

'air':1,6,18,33,43,56 'apparatus':4 'artifici':25 'base':11 'composit':19 'detect':52 'electron':10 'electronic-bas':9 'environment':15 'equip':8 'filter':34 'gase':53 'instrument':12 'mask':37 'measur':3,14 'medic':31,41,47 'monitor':7,44,50 'name':5,17 'non':30 'non-med':29 'paramet':16 'purpos':42 'qualiti':2,21 'respir':22,26,27 'respiratori':36 'use':32,39,48

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