HARBOUR MAINTENANCE + CHANNEL MAINTENANCE (HYDRAULIC ENGINEERING)
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BTHARBOUR, RIVER, DYKE AND DAM, OFFSHORE CONSTRUCTION (HYDRAULIC ENGINEERING)
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UDC627.7
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Descriptor GERHAFENUNTERHALT + FAHRRINNENUNTERHALT (WASSERBAU)
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Descriptor ENGHARBOUR MAINTENANCE + CHANNEL MAINTENANCE (HYDRAULIC ENGINEERING)
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Descriptor FREENTRETIEN DE PORTS + ENTRETIEN DE CHENAUX (GÉNIE HYDRAULIQUE)
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Variant GERFAHRRINNENUNTERHALT (WASSERBAU)
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Variant GERUNTERHALT/FAHRRINNENUNTERHALT (WASSERBAU)
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Variant GERUNTERHALT/HAFENUNTERHALT (WASSERBAU)
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Variant ENGCHANNEL MAINTENANCE (HYDRAULIC ENGINEERING)
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Variant ENGMAINTENANCE/HARBOUR MAINTENANCE (HYDRAULIC ENGINEERING)
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Variant ENGMAINTENANCE/CHANNEL MAINTENANCE (HYDRAULIC ENGINEERING)
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Variant FREENTRETIEN DE CHENAUX (GÉNIE HYDRAULIQUE)
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Variant FRECHENAUX/ENTRETIEN DE CHENAUX (GÉNIE HYDRAULIQUE)
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Variant FREPORTS/ENTRETIEN DE PORTS (GÉNIE HYDRAULIQUE)
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Variant FREENTRETIEN PORTUAIRE (GÉNIE HYDRAULIQUE)
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NTDREDGERS + SLUDGE VESSELS (HYDRAULIC ENGINEERING)
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RTCANAL MAINTENANCE (WATERWAY ENGINEERING)