… Laboratory, hygienic or pharmaceutical glassware, whether or not graduated or …
Explanatory notes
… 70.17 - Laboratory, hygienic or pharmaceutical glassware, whether or not graduated or … fused quartz or other fused silica 7017.20 - Of other glass having a linear coefficient of expansion not exceeding … apparatus, special funnels (with stop-cock, bulb-shaped funnels, etc.), cylinders, crucibles, filter …