| Railroad automatic, telemechanical and communications equipment. General specifications
Аппаратура железнодорожной автоматики, телемеханики и связи. Общие технические условия. |
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FZ 261Federal Law of November 23, 2009 N 261-FZ. On … |
Roszeldor 31 PR RLicensing Railway Transportation Activities |
GOST 10180-2012Concretes. Methods for strength determination … |