TUNNELPORTALE + TUNNELEINGÄNGE (TUNNELBAU)
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BTTUNNELINSTALLATIONEN + TUNNELBAUTEILE (TUNNELBAU)
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UDC624.191.82
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Descriptor GERTUNNELPORTALE + TUNNELEINGÄNGE (TUNNELBAU)
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Descriptor ENGTUNNEL PORTALS + TUNNEL ENTRANCES (TUNNELLING)
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Descriptor FREPORTAILS DE TUNNEL + ENTRÉES DE TUNNEL (CONSTRUCTION DE TUNNELS)
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Variant GERTUNNELEINGÄNGE (TUNNELBAU)
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Variant GERPORTALE/TUNNELPORTALE (TUNNELBAU)
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Variant GEREINGÄNGE/TUNNELEINGÄNGE (TUNNELBAU)
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Variant ENGPORTALS/TUNNEL PORTALS (TUNNELLING)
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Variant ENGTUNNEL ENTRANCES (TUNNELLING)
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Variant ENGENTRANCES/TUNNEL ENTRANCES (TUNNELLING)
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Variant FREENTRÉES DE TUNNEL (CONSTRUCTION DE TUNNELS)
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Variant FRETUNNELS/PORTAILS DE TUNNEL (CONSTRUCTION DE TUNNELS)
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Variant FRETUNNELS/ENTRÉES DE TUNNEL (CONSTRUCTION DE TUNNELS)