DRILL AND BLAST DRIVING (TUNNELLING)
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BTTUNNEL DRIVING METHODS + SHORING (TUNNELLING)
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UDC624.191.25
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Descriptor GERSPRENGVORTRIEB (TUNNELBAU)
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Descriptor ENGDRILL AND BLAST DRIVING (TUNNELLING)
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Descriptor FREPERCEMENT À L'EXPLOSIF (CONSTRUCTION DE TUNNELS)
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Variant GERVORTRIEB/SPRENGVORTRIEB (TUNNELBAU)
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Variant ENGDRIVING/DRILL AND BLAST DRIVING (TUNNELLING)
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Variant ENGBLAST DRIVING (TUNNELLING)
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Variant ENGTUNNELLING/DRILL AND BLAST DRIVING (TUNNELLING)
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Variant FREEXPLOSIFS/PERCEMENT À L'EXPLOSIF (CONSTRUCTION DE TUNNELS)