… Glass envelopes (including bulbs and tubes), open, and glass parts thereof, …
Explanatory notes
… 70.11 - Glass envelopes (including bulbs and tubes), open, and glass parts thereof, … Other This heading covers : (A) All open glass envelopes (including bulbs and tubes) of any shape or size, without … glass, crystal glass or fused quartz. The heading does not include : (a) Glass tubes merely cut to length, whether …