#ComunicadoSCT
“Verificación inteligente” mejorará la seguridad en la operación ferroviaria: Alejandro Álvarez @janazo | 




https://bit.ly/2pMbGNG pic.twitter.com/PPZExdgdDK
1:00 PM - 6 Nov 2019
0 replies
15 retweets
21 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.








