87322509
Feb 2, 2017
Sep 26, 2017
Radiation detectors; Radiation-measuring instruments; Electric or electronic sensors for detecting chemicals, biologicals, radiation, nuclear and explosives; Electric, electronic, or electrochemical oxygen monitors and sensors for environmental use; Gamma radiation detector for electronic detection of hidden contraband; Gamma radiation detectors; Gas sensors for measuring gas concentration; Pollutant sensors
Electrical and Scientific Apparatus