Air analysis apparatus; Air quality measurement apparatus, namely, particle counters; Data processing apparatus; Depth gauges; Electric sensors; Electric, electronic, or electrochemical oxygen monitors and sensors for environmental use; Electro-dynamic apparatus for the remote control of signals; Gas testing instruments; Measuring apparatus, namely, angle finders; Optical sensors; Remote control telemetering apparatus; Sensors for the determination of temperatures, positions and distances; Smoke detectors; Ultrasonic sensors

'air':1,4 'analysi':2 'angl':45 'apparatus':3,7,13,32,43,52 'control':36,50 'counter':10 'data':11 'depth':14 'detector':63 'determin':56 'distanc':61 'dynam':31 'electr':16,18 'electro':30 'electro-dynam':29 'electrochem':21 'electron':19 'environment':27 'finder':46 'gas':39 'gaug':15 'instrument':41 'measur':6,42 'monitor':23 'name':8,44 'optic':47 'oxygen':22 'particl':9 'posit':59 'process':12 'qualiti':5 'remot':35,49 'sensor':17,25,48,53,65 'signal':38 'smoke':62 'telemet':51 'temperatur':58 'test':40 'ultrason':64 'use':28

XCREAS

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