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, whether or not graduated or calibrated 70 17 20 Of other glass having a linear coefficient of expansion <5x10-6 per Kelvin within a .... Commodity Code Description 70 17 20 00 Of other glass having a linear coefficient of expansion <5x10-6 per Kelvin within a ....
