MINING OPERATIONS + EXPLOITATION, WORKING OF MINERAL DEPOSITS (MINING)
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BTMINING
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UDC622.2
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Descriptor GERBERGMÄNNISCHE ARBEITEN BEIM ABBAU VON LAGERSTÄTTEN (BERGBAU)
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Descriptor ENGMINING OPERATIONS + EXPLOITATION, WORKING OF MINERAL DEPOSITS (MINING)
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Descriptor FREINDUSTRIE MINIÈRE + EXPLORATION DÉVELOPPEMENT + EXPLOITATION DE GISEMENTS MINÉRAUX (INDUSTRIE MINIÈRE)
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Variant GERABBAU VON LAGERSTÄTTEN/BERGMÄNNISCHE ARBEITEN BEIM ABBAU VON LAGERSTÄTTEN (BERGBAU)
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Variant ENGEXPLOITATION/MINING OPERATIONS (MINING)
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Variant ENGWORKING OF MINERAL DEPOSITS (MINING)
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Variant FREMINES/METHODES D'EXPLOITATION (INDUSTRIE MINIÈRE)
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Variant FREEXPLOITATION MINIERE/METHODES D'EXPLOITATION (INDUSTRIE MINIÈRE)
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Variant FREEXPLORATION DÉVELOPPEMENT (INDUSTRIE MINIÈRE)
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Variant FREEXPLOITATION DE GISEMENTS MINÉRAUX (INDUSTRIE MINIÈRE)
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NTMINING METHODS + METHODS OF WORKING (MINING)
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NTOPENING-UP, DEVELOPMENT WORK (MINING)
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NTDRILLING + DRILLING TECHNIQUES + DRILLING TECHNOLOGY (MINING)
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NTEXCAVATION WORK + ROCK DRILLING (MINING)
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NTMINE SUPPORT + TUBBING + MINE LINING (MINING)
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NTMINING CLAIMS + MINING CONCESSIONS (MINING)
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NTHAND WORKING + DIGGING + HEWING + STRIPPING + HAND INSTRUMENTS (MINING)
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NTSHAFTS + SHAFT SINKING + SHAFT RAISING (MINING)
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NTGALLERIES + ROADWAYS + LEVELS + DRIFTS + DRIVES + DRIFTING + DRIVING (MINING)