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Dunhill: Difference between revisions
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*5861/12 was the first patent registered. However, there are other patents for these same tubes, with records in different countries. Examples: 1130806/15-158709/14-116989/17-1343253/20-197365/20-491232/19. | *5861/12 was the first patent registered. However, there are other patents for these same tubes, with records in different countries. Examples: 1130806/15-158709/14-116989/17-1343253/20-197365/20-491232/19. | ||
<gallery mode="packed-hover" | <gallery mode="packed-hover"> | ||
File:Innertube.jpg|© | File:Innertube.jpg|© | ||
File:Innertube2.jpg|© | File:Innertube2.jpg|© | ||