(2nd National Tunneling and Underground Infrastructure Congress and Exhibition 2019 - Ankara -Approved by ITA International Tunnelling and Underground Space Association) İlki 2016 yılında yapılan Ulusal Tünelcilik ve Yer Altı Yapıları...

2019 Edition of YOL-TÜNEL - the prominent infrastructure event of the South East Europe and Middle East - will bring together public organizations using the services within the scope of the projects, service provider contracting companies,...