INDUSTRIAL SCIENTIFIC

GAS DETECTION INSTRUMENTS; GAS ANALYZERS AND MONITORS FOR INDUSTRIAL AND COMMERCIAL RESEARCH USES, NAMELY, FOR USE IN MONITORING COMBUSTIBLE GASES, TOXIC GASES AND OXYGEN; ELECTRONIC SENSORS FOR USE IN MONITORING COMBUSTIBLE GASES, TOXIC GASES AND OXYGEN

INDUSTRIAL AIR FILTERING SYSTEMS COMPRISING EQUIPMENT, NAMELY, GAS DETECTION INSTRUMENTS, GAS ANALYZERS AND MONITORS FOR USE IN MONITORING AND CONTROLLING GASES, TEMPERATURE, HUMIDITY AND PARTICULATE MATTER FOR THE PURPOSE OF PROVIDING RESPIRABLE AIR FOR INDUSTRIAL WORKERS