Drawing, marking-out or mathematical calculating instruments (for example, drafting machines, pantographs, protractors, drawing sets, slide rules, disc calculators); instruments for measuring length, for use in the hand (for example, measuring rods and tapes, micrometers, callipers), not specified or included elsewhere in this Chapter

901790Subheading

9017.90 — Parts and accessories:

Bộ phận và phụ kiện:

Distinguish from heading:8471Automatic data processing…8467Tools for working in the hand…8470Calculating machines and…9031Measuring or checking…9015Surveying (including…

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