79008253
Oct 4, 2004
Aug 1, 2006
Gas sensors for measuring gas concentrations; gas detectors for detecting the presence of gas; gas detecting, gas monitoring and gas analyzing apparatus and instruments and parts and fittings thereof; gas sensors, detectors and parts and fittings thereof incorporating a pump or extractor system for the extraction of gases; electrochemical cells and parts and fittings thereof; electrochemical cells and parts and fittings thereof for sensing, detecting, measuring and analyzing gas; all the aforementioned goods for use in the semiconductor industry
Electrical and Scientific Apparatus