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OECD International Trade
International Trade By Commodity Statistics (HS88)
90: Optical, photo, technical, medical, etc apparatus
9017: Drawing, mathematical, length measuring instruments
9017: Drawing, mathematical, length measuring instruments
901710: Drafting tables and machines
901720: Drawing, marking-out, instruments nes, slide rules
901730: Micrometers, callipers and gauges
901780: Instruments for measuring length, hand use, nes
901790: Parts and accessories for drawing, etc instruments
9017: Drawing, mathematical, length measuring instruments
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