73181781
Aug 11, 1978
Nov 13, 1979
TISSUE CULTURE CONTAINERS AND HOLDERS-NAMELY, TISSUE CULTURE DISHES, TISSUE CULTURE PETRI DISHES, TISSUE CULTURE FLASKS, TISSUE CULTURE TEST TUBES, TISSUE CULTURE TRAYS, TISSUE CULTURE MULTI-COMPARTMENT WELLS, AND TISSUE CULTURE COVER SLIPS
Electrical and Scientific Apparatus