23/Sep/2017 | 9027109000 | Catalytic gas sensors. detects methane, hydrogen, natural gas, coal gas, gasoline, ketones. it is used to detect a gas leak in the offices, workshop and industrial buildings. lack of radioactive sources, : identification | CHINA | *** | 1 | *** | 1 | 150 | ***** | 84 More Columns Available along with Company Name and Other Details etc. |