QUSAS

Measurement and control instruments and apparatus for the metallurgical industry; namely, immersion probes [ and related measurement instruments sold as a unit therewith in the nature of indicators and analytical instruments ] for the analysis of [ molten metal and ] slag; immersion probes and measuring instruments; namely, sampling probes to determine the gas content, in particular the oxygen and nitrogen level in molten metal and slag; immersion probes, namely, sampling probes to determine the properties of slag