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Surveying instruments; range finders; levels, namely, level indicators, bubble levels, spirit levels and carpenter's levels; levelling instruments, namely, levelling rods, level gauges, level measuring machines; electronic chips for the manufacture of integrated circuits; Blank electronic chip cards; batteries, electric; battery chargers; optical apparatus and instruments, namely, optical transceivers, optical data links, optical transmitters, optical receivers, optical inspection apparatus, optical character recognition apparatus, optical readers; measuring instruments for measuring height, length, weight, coordinates