LIQUID MINERAL EXTRACTION + GASEOUS MINERAL EXTRACTION (MINING)
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BTMINING/SPECIFIC MINERALS, ORES, ROCKS (MINING)
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UDC622.32
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Descriptor GERGEWINNUNG FLÜSSIGER UND GASFÖRMIGER MINERALE (BERGBAU)
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Descriptor ENGLIQUID MINERAL EXTRACTION + GASEOUS MINERAL EXTRACTION (MINING)
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Descriptor FREMINERAIS LIQUIDES + MINERAIS GAZEUX (INDUSTRIE MINIÈRE)
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NTEXTRACTION OF MINERAL SPRINGS (MINING)
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NTEXTRACTION OF LIQUID MINERALS IN GENERAL (MINING)