BUCHI

scientific instruments, apparatus and glass parts for laboratory use in research and quality control laboratories, namely vacuum controllers, laboratory ovens, piston pumps for laboratory use, chromatography apparatus, ultraviolet detectors, chromatography columns, nitrogen analyzers, protein analyzers, fat analyzers, digestion units, distillation units, apparatus for chemical hydrolysis, instruments for determining melting points, stereo molecular models for examining stereo chemistry or considering reaction mechanisms, laboratory glassware, rotary evaporators, water heating baths, oil heating baths, spray dryers, test tube cooling fans, vapor and gas extractors and/or scrubbers, and parts thereof