U.S. federal trademark · Serial No. 78173611 · Reg. No. 2911650
Gas senors for measuring gas concentration of oxygen, nitrogen oxide, hydrocarbon, methane, alcohol and hydrogen in air or gas; gas sensors for detecting air/fuel ratio in the exhaust gas from internal combustion engines, boilers, incinerators, gas turbines and generators; electronic sensors for measuring pressure and temperature; electronic sensors for detecting knock, fluctuating load and air quality
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