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Category:1831 introductions

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This is an old revision of this page, as edited by EmausBot (talk | contribs) at 15:42, 9 June 2012 (r2.7.2+) (Robot: Adding ar:تصنيف:اختراعات 1831). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

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Template:Year by category

Subcategories

This category has the following 5 subcategories, out of 5 total.

F

Fictional characters introduced in 1831 (1 C)
Flags introduced in 1831 (2 P)

S

Symbols introduced in 1831 (1 C, 1 P)

T

Train-related introductions in 1831 (1 C, 1 P)

V

Vehicles introduced in 1831 (2 C)

Pages in category "1831 introductions"

The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes.

A

B

Bekker numbering

D

Doorbell

I

Intravenous ascorbic acid

S

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