KRÜSS A. KRÜSS OPTRONIC GERMANY

Precision engineering/optoelectronic laboratory apparatus, namely, polariscopes; colorimeters; Peltier thermostats; photometers; polarimeters; spectroscopic apparatus, namely, for the observation of emission and absorption spectra of gemstones and chemical liquids; spectrometers; spectrophotometers; spectroscopes; refractometers; apparatus for measuring melting points; scales and gemological testing, checking and measuring apparatus for mobile or traveling precious stone laboratories, namely, for testing the purity and quality of gemstones and for the identification of gemstones; stereo microscopes for examining diamonds and colored stones; dichroscopes; precious stone refractometers and spectroscopes; conoscopes; fiberoptic light sources; cell tables with polarisation equipment; analysis lamps; assayer's tongs for stones; magnifying lenses for testing diamonds and telescopic spectacles; optoelectronic diamond/silicon carbide testers; carat scales