Noutati

• Congresul al 13-lea l'AFTES Lyon 17-19 octobre 2011.
• ITA-AITES World Tunnel Congress - 21-26 May, 2011, Helsinki
• SOCIETATEA Britanica de Tunele (BTS) feb 09
• Seminar Cehia, Ostrava
  19-20 februarie 2009
• Congres International Asociatia Franceza Tunele, MONACO 2008

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TUNELE

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