MINE SURVEYING + EXPLORATION + PRELIMINARY INVESTIGATION + MAPPING (MINING)
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BTMINING
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UDC622.1
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Descriptor GERMARKSCHEIDEWESEN + PROSPEKTIEREN + SCHÜRFEN (BERGBAU)
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Descriptor ENGMINE SURVEYING + EXPLORATION + PRELIMINARY INVESTIGATION + MAPPING (MINING)
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Descriptor FREETUDE PRÉLIMINAIRE + ARPENTAGE ET CARTOGRAPHIE DE MINES + EXPLORATION DE GISEMENTS DE MINERAIS (INDUSTRIE MINIÈRE)
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Variant GERMARKSCHEIDEWESEN (BERGBAU)
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Variant GERPROSPEKTIEREN (BERGBAU)
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Variant GERSCHÜRFEN (BERGBAU)
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Variant ENGMAPPING/MINES
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Variant ENGMINE SURVEYING (MINING)
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Variant ENGEXPLORATION/MINE EXPLORATION (MINING)
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Variant FREPROSPECTION MINIÈRE, SURFACE ET SOUTERRAIN (INDUSTRIE MINIÈRE)
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Variant FRECARTOGRAPHIE/DES MINES (INDUSTRIE MINIÈRE)
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Variant FREGEOMETRIA SUBTERRANEA (INUSTRIE MINIÈRE)
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NTSURFACE EXPLORATION (MINING)
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NTUNDERGROUND EXPLORATION, SAMPLING AND ANALYSIS + SURVEYING THE BOUNDARIES OF ORE BODIES (MINING)