… (including bulbs and tubes), open, and glass parts thereof, without fittings, for electric lamps and light sources, …
Explanatory notes
… (including bulbs and tubes), open, and glass parts thereof, without fittings, for electric lamps and light sources, … lamps, etc.). Most of these envelopes are mass-produced by automatic machines; they may be frosted, coloured, opal, … The heading does not include : (a) Glass tubes merely cut to length, whether or not the ends have been fire …