1. Sources
  2. OECD International Trade
  3. International Trade By Commodity Statistics (SITC Rev. 3)
  4. 7: Machinery and transport equipment
  5. 77: Electrical machinery, apparatus and appliances, n.e.s.
  6. 776: Cathode valves & tubes; diodes; integrated circuits
  7. 7768: Piezo-electric cristals, mounted, & parts, n.e.s.
  8. 77689: Parts of the articles of heading 7764

77689: Parts of the articles of heading 7764

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