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DE4208972C1
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Knife shield for driving open trenches in the ground
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DE4124419A1
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RADIAL CONTROL OF KNIVES OF A KNIFE BLADE DRIVE DEVICE
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DE4124420A1
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DRIVE SHIELD MADE FROM A DRIVE SHIELD WITH SINGLE KNIVES OR A CLOSED SHIELD SHIELD
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CA2059296A1
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Device for opening and supporting a headway
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DE4018407A1
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Breaking out and developing roadway in tunnels - by using groups of cutting heads supported on vertical props and filled with self hardening material
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DE4002669A1
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SELF-PROCESSING SUPPORT AND SLIDING CIRCUIT FOR PUTTING A LOCAL CONCRETE LINING
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DE3813907A1
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METHOD AND DEVICE FOR BREAKING OUT AND FINISHING TUBES, TUNNELS, SHAFTS OD. DGL.
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DE3726846A1
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Method and apparatus for the excavation and/or complete support of galleries or the like
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DE3629729A1
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Cutter-shield driving apparatus
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DE3629730A1
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METHOD FOR PROCESSING A TUNNEL SECTOR WITH DRIVING KNIVES SUPPORTED BY SUPPORT FRAME AND DEVICE FOR IMPLEMENTING THE METHOD
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GB1404359A
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Method and apparatus for producing a concrete lining in a gallery tunnel or shaft
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ES409473A1
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Device for the construction of tunnels to open zanja. (Machine-translation by Google Translate, not legally binding)
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