Classification Information
Gas detection devices; gas detection equipment; sensors and detectors; gas sensors (electrochemical -); controllers; measuring, counting, alignment and calibrating instruments; combustible gas concentration detectors; alarm systems; alarms*; alarm monitoring systems; personal alarm apparatus; alarms and warning equipment; gas leak alarms; gas leak alarm systems; alarms for the detection of inflammable gases; gasometers [measuring instruments]; gas testing instruments; gas analysis instruments; gas analysis apparatus
Electrical and Scientific Apparatus