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OECD International Trade
International Trade By Commodity Statistics (SITC Rev. 3)
8: Miscellaneous manufactured articles
88: Photo apparatus, optical goods, watches and clocks
884: Optical goods, n.e.s.
8841: Optical fibres, bundles, cables; prisms, mirrors, etc.
8841: Optical fibres, bundles, cables; prisms, mirrors, etc.
88411: Contact lenses
88415: Spectacle lenses of glass
88417: Spectacle lenses of other materials
88419: Optical fibres, bundles, cables; polarising material
8841: Optical fibres, bundles, cables; prisms, mirrors, etc.
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