Optical glasses, optical fibre glasses, coloured glasses, opal glasses, radiation screening glasses, anti-dazzle glasses, filter glasses all being glasses for optical and scientific purposes; equipment and appliances and parts thereof for scientific use and for application in chemical and physical laboratories; laboratory glassware, including beakers, flasks, funnels, test tubes, burettes, pipettes, crystallizing dishes, evaporating dishes, Petri dishes, bottles, sintered glassware, condensers, cylinders, cells, tubes, stopcocks, valves in this class, filter funnels, therometers; glass plants for chemical industry being goods included in this class; photographic filters

Glass tubing, glass rods, glass plates; household glassware for cooking, frying, baking and drinking purposes