Gas chromatography apparatus for laboratory use; Electrodes for laboratory research; Gas furnaces for laboratory use; Gas ovens for laboratory use; Photochemical reactors for laboratories; Animal semen analysing devices for research laboratory use; Flow cytometers and flow-based analyzers providing cell and particle analysis, detection, or counting for scientific, laboratory, and general research uses; Laboratory glassware, namely, flasks; Microscope slides made from glass substrates for labo...