N8 Circonvallazione Giswil - galleria Giswil
Grandi Lavori
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Work description
Il tunnel di Giswil con una lunghezza di 1970 m è la costruzione principale della tangenziale e si trova ad ovest di Giswil.
Download pdfDuration: 1998 – 2003
Amount: CHF 56‘000‘000
Customer: Canton Obvaldo