diagnostic reagents for scientific or research use in the field of biochemistry; diagnostic reagents for scientific or research use in the field of analytical chemistry; multi-functional reagents; reagents for preparation of buffer solutions; activated silicas for immobilization studies; membranes for immobilization studies, and membranes for affinity separation

analytical instruments for laboratory use; electrochemical analyzers; namely, electrometric titrators, polarographs, electrolytic analyzers, coulometric analyzers, electrode type concentration measuring instruments, pH meters, oxidation reduction potential meters, electrode type oxygen meters, ion selective electrode type concentration measuring instruments, electric conductivity meters, combined instruments for electrochemical analysis, miscellaneous electrochemical analyzers and parts therefor; optical and spectrophotometric analyzers; namely, absorption spectrophotometric analyzers, ultraviolet and visible spectrophotometers, infrared spectrophotometers, combined instruments with fourier transform infrared spectroscopy, emission spectrophotometric analyzers, spectrographs, photoelectric emissions spectrophotometers, emission spectrometers, flame spectrometers, secondary photon process spectrophotometers, flourophotometric analyzers, raman spectrophotometers, polarimetric analyzers, spectropolarimeters, polarimeters, photometers, colorimeters, photometric titrators, combined instruments for optical spectrophotometric analysis, miscellaneous optical and spectrophotometric analyzers, turbidity meters, light scattering photometers, column analyzers, refractometers, densitometers and parts therefor; chromatographs; namely, gas chromatographs, liquid chromatographs, column chromatographs, ion chromatographs, thin-layer chromatographs, super-critical fluid chromatographs, combined instruments for chromatography, miscellaneous chromatographs, paper chromatographs, counter current chromatographs, parts and accessories therefore; analytical instruments for pollution monitoring; namely, air pollution analyzers, ammonia analyzers, oxides-of-sulphur analyzers, carbon monoxide analyzers, chlorine and chloride compound analyzers, oxidant and ozone analyzers, hydrocarbon analyzers, oxides-of-nitrogen analyzers, flourine and flouride compound analyzers, suspended particulate matter meters, hydrogen sulfide analyzers, emission analyzers oxygen analyzers, dust monitors, automotive emission analyzers, gas analyzers for laboratories and assembly lines, diesel fume meters, gas analyzers, air pollution monitoring equipment, calculators, calibration apparatus, devices for capturing samples for laboratory analysis, automated fuel pumps, miscellaneous air pollution analyzers and parts therefor; apparatus for biochemistry; namely, sample vials sampling tubes, self-constructive tube racks, microdispensers, hematocrit capillary tuves, centrifuge microtubes, reaction microtubes, tube sets for ultrafiltration, tube sets for microfiltration, enzyme reaction tubes, capillary reaction tube, microtiter plates microdiluters, and connection type treatment for microsolution, made of plastic and glass, constant temperature circulators, metal block baths, shakers, shaker cultivators, incubators, thermal reaction baths, bioreaction instruments, mini-and personal centrifuges microtube mixers, centrifugal concentrators, freeze concentrators, tubing pumps, thermal reaction baths for microtiter plates, and accessories therefor apparatus for biochemistry; namely, sample vials, sampling tubes, self-constructive tube rucks, and tips therfor, microdispensers, hematocrit capillaries tues, centrifuge microtubes, reaction microtubes, tube set for ultrafiltration, tube sets for microfiltration, enzyme reaction tubes, capillary reaction tube, microtiter plates, microdiluters, and connection type treatment for microsolution, made of plastic and glass, constant temperature circulators metal block baths, shaker, shaker cultivators, incubators thermal reaction baths, bioreaction instruments, mini-and personal centrifuges, microtube mixers, centrifugal concentrators, freeze concentrators tubing pumps, thermal reaction baths for microtiter plates, and accessories therefor

blood analyzers for medical clinical chemistry; namely, automated analyzers, clinical spectrophotometers, electrolyte analyzers, electrophoresis apparatus, immunological analyzers and parts and accessories therefor; blood testing instruments; namely, blood cell differential automated analyzers, blood coagulation analyzers, cell analyzers; instruments for use in nuclear medicine for treating patients; namely, liquid scintillation counting apparatus, well-type scintillation counting apparatus, instruments for radioimmunoassay, and parts and accessories therefor