LIQUID CHROMOTOGRAPHY COLUMNS AND ACCESSORY PARTS THEREFOR, NAMELY COLUMN HEATERS, FITTINGS, COLUMN CONNECTORS, COLUMN CARTRIDGES, EMPTY COLUMNS, COLUMN TUBES AND BED SUPPORTS

REAGENTS AND CHEMICALS IN SOLID QUANTITATIVE FORMS FOR LABORATORY, CLINICAL AND OTHER DIAGNOSTIC TESTING, INCLUDING THE DETECTION OF PREGNANCY

Solder spheres made of tin and lead alloys, and tin, silver, and copper alloys

LABORATORY CALIBRATION STANDARD EQUIPMENT, NAMELY, GLASS MICROSPHERES IN THE FORM OF HIGHLY SPHERICAL GLASS BEADS HAVING PRECISE SIZE STANDARDS FOR USE AS CALIBRATION STANDARDS