PL

scientific, analytical and laboratory apparatus and instruments; namely, rheometers; photometers; polymer characterization equipment; namely, light scattering instruments and differential refractometers; refractive index detectors; particle size standards for the calibration and standardization of electron microscopes and dynamic laser light scattering equipment; data storage media; namely, prerecorded computer discs concerning chromatography, thermal analysis, and rheology for use in connection with the aforesaid goods; parts for all the aforesaid goods