DRILLING RIG EQUIPMENT + DRILLING TOWERS + DERRICKS (MINING)
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BTDRILLING + DRILLING TECHNIQUES + DRILLING TECHNOLOGY (MINING)
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UDC622.242
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Descriptor GERBOHRANLAGEN + BOHRTÜRME (BERGBAU)
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Descriptor ENGDRILLING RIG EQUIPMENT + DRILLING TOWERS + DERRICKS (MINING)
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Descriptor FREEQUIPEMENT DE FORAGE + TOURS DE SONDAGE + DERRICKS (INDUSTRIE MINIÈRE)
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Variant GERBOHRTÜRME (BERGBAU)
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Variant ENGTOWERS/DRILLING TOWERS (MINING)
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Variant ENGDERRICKS (MINING)
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Variant FRETOURS DE FORAGE (INDUSTRIE MINIÈRE)
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Variant FREFORAGE/EQUIPEMENT DE FORAGE (INDUSTRIE MINIÈRE)
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Variant FREDERRICKS (INDUSTRIE MINIÈRE)
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NTDRILLING RIG EQUIPMENT, ONSHORE AND OFFSHORE (MINING)
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NTOFFSHORE DRILLING TOWERS, PLATFORMS AND SHIPS (MINING)
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NTONSHORE DRILLING TOWERS + DERRICKS (MINING)