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German company develops four machines for blind-shaft construction, enlargement

Safe & Rapid

By:  
Features Deputy Editor and Chief Photographer
 
SHAFT SINKING
German mechanised tunnelling engineering company Herrenknecht AG has developed a range of four shaft boring machines for the safe and rapid construction of blind shafts or shaft enlargements to a depth of 2 000 m.
 
 
 
 
 

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