CHORUS

Pumping devices, namely chromatography metering pumps, high performance liquid chromatography (HPLC) metering pumps, as parts of non-medical analytic units used in chemical analysis and synthesis; pumping devices, namely, chromatography pumps, high performance liquid chromatography (HPLC) pumps, namely for use in medical analysis of human tissue and bodily fluids; pumps and valves, namely, chromatography pumps and automatic valves, high performance liquid chromatography pumps and automatic valves, all being parts for automatic chromatographic apparatus used in chemical analysis and synthesis