Section 13 Articles of stone, plaster,cement,asbestos, mica or similar materials; ceramic products; glass and glassware 70 Glass and glassware 70 17 Laboratory, hygienic or pharmaceutical glassware 70 17 10 Quartz reactor tubes and holders designed for insertion into diffusion and oxidation 70 17 10 10 Quartz reactor tubes and holders designed for insertion into diffusion and oxidation Commodity Code Description 70 17 10 10 00 Quartz reactor tubes and holders designed for insertion into diffusion and oxidation
