Eurostat, Luxembourg. 70200005 (01/1998-..) Quartz reactor tubes and holders designed for insertion into diffusion and oxidation furnaces for production of semiconductor materials: CN 70200005 /Exports /Unit = Prices (Euro/ton) /Partner: Guinea /Reporter: Eur27_2020 /70200005:Quartz Reactor Tubes and Holders Designed for Insertion Into Diffusion and Oxidation Furnaces for Production of Semiconductor Materials.