1. Sources
  2. OECD International Trade
  3. International Trade By Commodity Statistics (SITC Rev. 3)
  4. 8: Miscellaneous manufactured articles
  5. 88: Photo apparatus, optical goods, watches and clocks
  6. 884: Optical goods, n.e.s.
  7. 8842: Spectacle & spectacle frames
  8. 88421: Frames & mountings for spectacles, goggles & simil.

88421: Frames & mountings for spectacles, goggles & simil.

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