9016 (01/1988-..) Balances of a sensitivity of 50 mg or better, with or without weights

90160010 (01/1988-..) Balances of a sensitivity of 50 mg or better, with or without weights 90160090 (01/1988-..) Parts and accessories for balances of a sensitivity of 50 mg or better, n.e.s. 9017 Drawing, marking-out or mathematical calculating instruments, e.g. drafting machines, pantographs, protractors, drawing sets, slide rules, disc calculators, instruments for measuring length, for use in the hand, e.g. measuring rods and tapes, micrometres, callipers and other gauges, not elsewhere specified in chapter 90