Glass envelopes (including bulbs and tubes), open, and glass parts thereof, without fittings, for electric lamps and light sources, cathoderay tubes or the like
Glass envelopes, incl. bulbs and tubes, open, and glass parts thereof, without fittings, for cathode ray tubes
Glass envelopes, incl. bulbs and tubes, open, and glass parts thereof, without fittings, for electric lighting
Glass envelopes, incl. bulbs and tubes, open, and glass parts thereof, without fittings, for electric lamps and the like (excl. cathode ray tubes and for electric lighting)