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Herrenknecht world wide - Herrenknecht AG

Full Range Tunnelling Project-specific solutions – from cutting wheel to the separation plant. Herrenknecht ties up a complete package for you.

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Mining Equipment, Breaking, Drilling & Crushing Products ...

Whether you need to excavate, transport or process ore more efficiently, our comprehensive range of cutting-edge surface and underground mining equipment is designed to increase your productivity and boost your bottom line.

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Tunnel boring machine - Wikipedia

The first successful tunnelling shield was developed by Sir Marc Isambard Brunel to excavate the Thames Tunnel in 1825. However, this was only the invention of the shield concept and did not involve the construction of a complete tunnel boring machine, the digging still having to be accomplished by the then standard excavation methods.

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Great Pyramid Hydraulic Pulse Generator and Water Pump

Working models of the suberranean section of the Great Pyramid. A hydraulic pulse generator and water pump built with the subterranean chamber.

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