… bulbs and tubes), open, and glass parts thereof, without fittings, for electric lamps and light sources, cathode-ray …
Explanatory notes
… bulbs and tubes), open, and glass parts thereof, without fittings, for electric lamps and light sources, cathode-ray … substance (e.g., zinc silicate, cadmium borate, calcium tungstate). By means of a series of operations (including, … or with fittings, and finished bulbs, tubes and valves (see headings 85.39, 85.40, 90.22 , etc.). …