Eurostat, Luxembourg. 73089051 (01/1988-..) Panels comprising two walls of profiled `ribbed` sheet, of iron or steel, with an insulating core: CN 73089051 /Exports /Unit = Prices (Euro/ton) /Partner: Serbia /Reporter: Eur27_2020 /73089051:Panels Comprising two Walls of Profiled `ribbed` Sheet, of Iron or Steel, With an Insulating Core.