CENCO

LABORATORY MEASURING APPARATUS AND ACCESSORIES THEREFOR; [ SCIENTIFIC TESTING APPARATUS; ] APPARATUS, AND PARTS THEREFOR, FOR DEMONSTRATION OF SELECTED SCIENTIFIC PHENOMENA; [ LABORATORY LAMPS AND LIGHTING EQUIPMENT; LABORATORY PROCESSING EQUIPMENT AND ACCESSORIES; ] EDUCATIONAL AND INSTRUCTIONAL MATERIAL AND EQUIPMENT [ ; LABORATORY SUPPORTING EQUIPMENT; MICROSCOPE ACCESSORIES; LABORATORY TIMING EQUIPMENT ]