Classification Information
Photometers; air quality measurement apparatus, namely, particle counters; accessories and replacement parts for photometers and particle counters, namely, autozero modules, inlet caps, batteries, pumps, filters, calibration devices, mounts, solar panels for production of electricity, power supplies, and cascade impactors; downloadable computer application software for mobile phones, namely, software for viewing and downloading data from aerosol monitoring instruments
Electrical and Scientific Apparatus