Talk:81-720/721

Build dates
Why they are constructed since 1992?! They are no longer constructed since 2004! — Preceding unsigned comment added by 91.76.196.194 (talk) 12:19, 8 December 2013 (UTC)

Is this article about 81-720/721 or 81-740/741? It is not clear. Biscuittin (talk) 16:47, 30 October 2010 (UTC)
 * Probably a typo. details appear to match ru:Вагон метро 81-720/721 «Яуза»