76256730
May 14, 2001
Aug 26, 2003
Gas detection instruments, namely fixed-point toxic gas sensing devices for detecting, recording, and transmitting the concentration of gases such as CO, H2S, NH3, C12, C1O2, HC1, HCN, HF, NO, NO2, SO2 and other commonly occurring toxic gases found in industrial environments, all these gas detectors are used in all industries where the monitoring of toxic gases is required as a safety measure, namely chemical, petrochemical, municipal, pulp/paper, communications, electronics, and semiconductor industries
Electrical and Scientific Apparatus