scientific apparatus, instruments and equipment, in particular for research and development purposes in the nature of electrophoretic apparatuses, [ thermocyclers, and homogenizers] for marking, separating, isolating, [ purifying, amplifying,] and analyzing biopolymers, in particular nucleic acids, proteins, macro molecules and biologically active substances; [ bio chips for research or scientific purposes; scientific apparatus, namely, cellular mixed ester membranes for use in science and re...