79228139
Dec 12, 2017
Oct 16, 2018
Active Trademark
Gas analyzers, namely, mass spectrometers, gas chromatographs, gas chromatographs in combination with mass spectrometers, optical emission spectrometers and spectroscopes, and quartz crystal microbalances, all of the above-mentioned products for gas analysis in the oil and gas and petrochemical industries
Electrical and Scientific Apparatus