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Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
full line of apparatuses and instruments for preparation of liquid and solid samples for chemical analysis, namely, ultrasonic nebulizers for increasing liquid sample aerosol production and enabling higher analyte signal, pneumatic nebulizers to convert a liquid sample into an aerosol, desolvating nebulizers for reducing solvent-based interferences and improving analyte signal, microconcentric nebulizers for converting a small liquid sample into an aerosol, hydride generators generation of volatile hydride species or the reduction of mercury to volatile mercuric oxide, mercury analyzers for detecting and measuring ultra-trace mercury in samples, laser solid ablators for ablating a solid sample to create a particulate aerosol for transport to an analyzer, automated samplers for eliminating manual sample introduction, micro-automated samplers for eliminating manual sample introduction of small volume samples, pre-concentrating samplers for preconcentrating analytes, and auto-diluting samplers for eliminating manual sample preparation