U.S. federal trademark · Serial No. 79084195 · Reg. No. 4000508
measuring, signaling and checking apparatus and instruments for the monitoring and treatment of fluids, namely, photometric sensors for measuring the concentration of components in a fluid, spectrometric sensors for measuring the spectral optical absorption or emission of components of a fluid and spectrometric analyzers for the identification of sum parameters, all for use in the fields of industrial process instrumentation, industrial process automation, environmental monitoring and laboratory instrumentation
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