Eurostat, Luxembourg. 90029010 (01/1988-12/2005) Lenses, prisms, mirrors and other optical elements, mounted, of any material, being parts of or fittings for instruments or apparatus, for civil aircraft (excl. such elements of glass not optically worked, filters and objective lenses): CN 90029000 /Exports /Unit = Prices (Euro/ton) /Partner: Mauritania /Reporter: Eur27_2020 /90029000:Lenses, Prisms, Mirrors and Other Optical Elements, Mounted, of any Material, Being Parts of or Fittings for Instruments or Apparatus (Excl. Objective Lenses for Cameras, Projectors or Photographic Enlargers or Reducers, Such Elements of Glass not Optically Worked, and Filters).