OPTRONIK

COLOR MEASUREMENT INSTRUMENTS, NAMELY SPECTROPHOTOMETERS AND COLORIMETERS; SURFACE MEASUREMENT INSTRUMENTS, NAMELY INSTRUMENTS THAT USE LIGHT TO MEASURE AND ANALYZE SURFACE QUALITIES OF AN OBJECT; ELECTRONIC CONTROL, SWITCHING, MEASURING, MONITORING, SIGNALING, WARNING AND INDICATING INSTRUMENTS FOR LIGHTING TECHNIQUE, NAMELY PHOTOMETERS, LUXMETERS, LUMINANCE METERS, GONIOPHOTOMETERS AND RETROMETERS; ELECTRONIC AND OPTICAL MEASURING INSTRUMENTS FOR MANUFACTURING CONTROL, NAMELY GONIOPHOTOMETERS AND RETROMETERS; PRE-RECORDED COMPUTER SOFTWARE FOR MEASURING, ANALYZING AND PROCESSING LIGHT AND COLOR MEASUREMENT DATA