1. Sources
  2. OECD International Trade
  3. International Trade By Commodity Statistics (SITC Rev. 3)
  4. 7: Machinery and transport equipment
  5. 72: Specialised machinery
  6. 723: Civil ingineering & contractors' plant & equipment
  7. 7239: Parts, n.e.s., of the machinery of 723 & 7443
  8. 72393: Parts for boring, sinking machinery of 72337, 72344

72393: Parts for boring, sinking machinery of 72337, 72344

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