U.S. federal trademark · Serial No. 76510743 · Reg. No. 3011777
Measuring instrument for measuring and monitoring pollutant and/or diluent gas concentrations in air or gas; measuring instrument for measuring and monitoring pollutant and/or diluent gas concentrations in the exhaust gas from boilers, combustion gas turbines, internal combustion engines, incinerators, and flue gas from other combustion and/or process streams
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