79199038
Aug 26, 2016
Aug 15, 2017
Air analysis apparatus; surveying instruments; meters, namely, particle counters, concentration meters, laser distance meters for measuring air quality; detectors, namely, radiation detectors, particulate matter detectors, carbon dioxide detectors for measuring air quality; theodolites; gasometers; hygrometers; meteorological instruments; observation instruments, namely, infrared detectors, electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality; barometers
Electrical and Scientific Apparatus