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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.
calibrators, namely, ma calibrators, mv/v calibrators, dc process signal calibrators, stand-alone multifunction calibrators and [pda based multifunction calibrators, ]pressure calibrators, frequency calibrators, thermocouple temperature calibrators and rtd temperature calibrators and pneumatic calibrators (with and without pumps); measurement modules used with compatible calibrators, namely, ma/v modules, thermocouple modules, [temperature dry block interface modules,] rtd modules, and gage pressure modules, differential pressure modules, absolute and compound pressure modules and isolated and non-isolated pressure modules; battery chargers, test leads, ac adapters, replacement batteries[; and temperature transmitters]