pocket, palm and hand held computers and computer programs for business applications and data management

Calibration devices for calibrating optical emission spectrometers; Calibration devices for calibrating scientific test and measurement instruments, optical equipment; Industrial calibration sensors; Calibrated measurement science reference material artifacts, namely, optical filters, optical mirrors, optical prisms, optical lenses and optical emitting artifacts in the nature of materials that emit light due to luminescence, fluorescence, phosphorescence, change of material or ambient propert...