Comments

• 

  Comment on "item:object:river_object"

  Mining Equipment Acquires German Manufacturer Mühlhäuser   https://tunnellingjournal.com/mining-equipment-acquires-german-manufacturer-muhlhauser/

  1524 days ago

• 

  Comment on "item:object:river_object"

  Teknima produces proven quality tunnel ventilation equipment.

  1435 days ago

• 

  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 Heavy Ind...

  907 days ago