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OECD International Trade
International Trade By Commodity Statistics (SITC Rev. 3)
7: Machinery and transport equipment
77: Electrical machinery, apparatus and appliances, n.e.s.
776: Cathode valves & tubes; diodes; integrated circuits
7768: Piezo-electric cristals, mounted, & parts, n.e.s.
7768: Piezo-electric cristals, mounted, & parts, n.e.s.
77681: Piezo-electric crystals, mounted
77688: Parts of the devices of 7763 & of item 77681
77689: Parts of the articles of heading 7764
7768: Piezo-electric cristals, mounted, & parts, n.e.s.
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