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DE3111090A1
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Rotary drilling rig
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DE2619940A1
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PROCESS AND MACHINE FOR THE MANUFACTURING OF A CONTINUOUS TUNNEL LINING IN COMPRESSED IN-SITU CONCRETE
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FR2293575A1
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Tunnel lining machine - has wheeled frames with hooks or rollers for transfer of linings from stack
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GB1479517A
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Apparatus and a method for conveying and fitting tunnel lining elements in a tunnel
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DE2327816A1
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DEVICE AND METHOD FOR SOIL REMOVAL FROM THE PRESSURE CHAMBER OF A TUNNEL DRIVE SIGN
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DE2165827A1
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PIPE CONNECTION FOR LARGE DRILL PIPES
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GB1182018A
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Improvements in and relating to Hydraulic Jacks for Mining and Building machinery
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GB1194198A
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Hydraulic Drive for Very Large Torques.
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DE1634262B1
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Milling tool for making slots for slot walls
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GB1085775A
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Improvements in and relating to drill rigs for sinking casings in deep boreholes
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DE1484412B1
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Device for producing bored piles
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DE1186427B
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Extension drill for large hole, shaft and tunnel boring machines
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GB938191A
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Method and equipment for sinking a pipe casing
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DE1188021B
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Method and device for driving tunnels or routes in mining
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GB921222A
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Power unit for driving the cutter heads of tunnelling and like machinery
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GB961295A
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A method of tunnelling and an installation and boring machine unit for performing the same
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GB894206A
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A mine tunnelling machine
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GB882911A
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Gear for moving heavy rigs over open ground
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GB856714A
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A connection for drill tubes
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GB852537A
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Improvements relating to tunnelling machines
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