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Rock microtunneling - 2 (ggrasselli) View |
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TBM 3 microtunneling (ggrasselli) View |
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TBM 2 Hard Rock (ggrasselli) View |
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Microtunneling Under the Zumbro River in Downtown Rochester, MN (Akkerman) View |
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Microtunnelling Slurry - How it works - www.mtsdobrasil.com (MTS Sistemas MND do Brasil Ltda.) View |
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AVN 600 (Herrenknecht AG) View |
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AVN800 microtunnel excavation - 2 (Zaman Hasanov) View |
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Micro Tunneling Year 2018 (QTCG Qatar) View |
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210 Micro Tunnel Project 2002 (Caltrans D7) View |
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Microtunnelling (percotrenchless) View |