CLEANING THE BOTTOM OF THE HOLE DURING DRILLING (MINING)
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BTCLEANING THE CAVINGS FROM THE BOTTOM OF THE HOLE + INITIAL DRILLING OF THE MINERAL DEPOSIT + FORMATION TESTING + SETTING-UP AND DISMANTLING OF DRILL RODS (MINING)
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UDC622.244.4
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Descriptor GERBOHRLOCHSOHLENREINIGUNG WÄHREND DES BOHRENS (BERGBAU)
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Descriptor ENGCLEANING THE BOTTOM OF THE HOLE DURING DRILLING (MINING)
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Descriptor FRENETTOYAGE DU SOL DU TROU PENDANT LE FORAGE (INDUSTRIE MINIÈRE)
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Variant GERBOHREN/BOHRLOCHSOHLENREINIGUNG WÄHREND DES BOHRENS (BERGBAU)
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Variant ENGDRILLING/CLEANING THE BOTTOM OF THE HOLE DURING DRILLING (MINING)
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Variant FREFORAGE/NETTOYAGE DU SOL DU TROU PENDANT LE FORAGE (INDUSTRIE MINIÈRE)
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NTDENSE FLUSHING (MINING)
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NTOTHER FLUSHING METHODS (MINING)
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NTDRILLING MUD (MINING)