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tunnel and tunnelling, tunneling, underground excavation, new austrian tunnelling method, natm, tunnel project, tunnel boring machines, tbm, shotcrete, ...
boomcutter  new austrian tunnelling method  railway-tunnel  road-tunnel  scl-tunnelling  sem-tunneling  unnel boring machines  water-tunnel 
www.tunnelproject.com - 2009-02-06
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Dosco is a specialist manufacturer of mining, civil tunnelling, materials handling and mineral processing equipment.
civil tunnelling  coal mining machinery  roadway development  twin roll crusher 
www.dosco.co.uk - 2009-02-08
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