9 [Scientific and optical apparatus and instruments, namely, telescopes, lenses, eyepieces, viewfinders, filters, mirrors, tripods, mounts, bases, and balance weights, all for telescopes; surveying, measuring, checking and teaching apparatus and instruments, namely, surveying machines and instruments, surveying chains, surveying compass needles, surveyor's levels, tripods for topography surveying machines, level measuring machines for surveying, magnetic compasses for surveying, levelling rods for surveying, level gauges, level indicators, folding wooden rods, range poles, protractors, tool measuring instruments, micrometers, pocket callipers for measuring, length measuring gauges, resistance measuring instruments, laser measuring systems, lasers for measuring purposes, instruments for detecting and measuring two-dimensional distribution of force and pressure, scales for measuring and calibrating, slide rules, computer software and hardware for industrial measurement, calibration, industrial production metrology and metrology of coordinates]