Data processing apparatus; quantitative LCD displays; luminous electric signs; air analysis apparatus; gas sensors for measuring gas concentration; temperature sensors; electronic numeric displays; filters for non-medical respiratory masks; smoke detectors; batteries, electric

'air':10 'analysi':11 'apparatus':3,12 'batteri':33 'concentr':18 'data':1 'detector':32 'display':6,23 'electr':8,34 'electron':21 'filter':24 'gas':13,17 'lcd':5 'lumin':7 'mask':30 'measur':16 'medic':28 'non':27 'non-med':26 'numer':22 'process':2 'quantit':4 'respiratori':29 'sensor':14,20 'sign':9 'smoke':31 'temperatur':19

GENERALAIRE

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