Eurostat, Luxembourg. 84642095 (01/1998-12/2009) Grinding or polishing machines, for working stones, concrete, asbestos cement or similar mineral substances (excl. for working ceramics, for cold-working glass, hand-operated machines and machines for working semiconductor wafers): CN 84642095 /Exports /Unit = Prices (Euro/ton) /Partner: Rwanda /Reporter: European Union /84642095:Grinding or Polishing Machines, for Working Stones, Concrete, Asbestos Cement or Similar Mineral Substances (Excl. for Working Ceramics, for Cold-working Glass, Hand-operated Machines and Machines for Working Semiconductor Wafers).