U.S. federal trademark · Serial No. 79228139 · Reg. No. 5583013
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
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