in-vitro diagnostic test kits consisting primarily of diagnostic preparations designed to detect the presence of bacterial contaminants in food stuffs, and similar kits for detection of bacterial contaminants in the environment, all for clinical and laboratory use

in-vitro diagnostic test kits consisting primarily of diagnostic preparations for medical purposes; diagnostic test kits consisting primarily of diagnostic preparations designed to detect the presence of bacterial contaminants in food stuffs; and similar kits for detection of bacterial contaminants in the environment; all for clinical and laboratory use

in-vitro diagnostic test kits consisting primarily of diagnostic preparations designed to detect the presence of bacterial contaminants in food stuffs; and similar kits for detection of bacterial contaminants in the environment; all for scientific or research use