1. Sources
  2. OECD International Trade
  3. International Trade By Commodity Statistics (SITC Rev. 2)
  4. 6: Manufactured goods classified chiefly by material
  5. 67: Iron and steel
  6. 678: Tubes, pipes and fittings, of iron or steel
  7. 6784: High-pressure hydro-electric conduits of steel

6784: High-pressure hydro-electric conduits of steel

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