Loudspeakers, and all other electro-acoustic transducers, loudspeaker systems, amplifier systems

Scientific apparatus and instruments and parts thereof in this class, including replacement and additional parts for continuous-flow, automatic, medical-specimen analyzers; namely, linear converters, analytical cartridges, de-bubblers, manifolds, heating baths, samplers, pumps, dialyzers, digestors, filters, nipples, pulse suppressors, mixing coils, connectors, fittings, programmers, sample cups, flexible tubing , pipette tips, glass coils, glass tubing, glass connectors, flow cells, photocells, phototubes, lamps, fuses, gears, cables, disposable pens and holders, electron tubes, and buzzers all being for laboratory use and blood serum filters for laboratory use.