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    • Dave Anderson

      Comment on "item:object:river_object"

      In this country, we have The Robbins Company which has virtually invented the TBM tunneling. I don't know why we have to import TBM from Germany and Japan for our projects? What was the last time Germans and Japanese imported a Robbins?

      • Ji-Yu Doko

        Comment on "TBM Producers List"

        I added the new company formed on October 1, 2021. OGITEC - Underground Infrastructure Technologies (Japan). It merges TBM businesses of Hitachi Zosen Corporation & Kawasaki Heav...

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        • Robin McAuley

          How much does a Tunnel Boring Machine (TBM) cost?

          ...is more competition, more TBM manufacturers and more TBM production nowadays. In the past, Tunnel Boring Machines were mostly produced in the USA, Japan, Germany, France and Canada....

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          • Martin Sirzo

            TBM Producers List

            ...rea) Herrenknecht (Germany) Hitachi Zosen (Japan) -see also OGITEC. Hoban (S...th Korea) JIMT - JIM Technology Corporation (Japan) owned by IHI Corporation (Ja...Terratec (Australia) majority stake owned by Japan's JIMT . Tianye Tolian...

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            • Ray M. Morgan

              A Tribute to Big Bertha: A 25,000 HP Mechanical Worm Designed in Japan for American Drilling. https://www.autoevolution.com/news/big-bertha-a-25000-hp-mechanical-worm-designed-in-japan-for-american-drilling-139612.html #HitachiZosen #BigBertha

              • Ravnish Sharma

                ...er for hydropower or drinking water projects. This will be the first for the operation of vehicles The project to be implemented by a loan by the Japan International Cooperation Age...

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