GAZ NATUREL (GISEMENTS)
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BTPÉTROLE ET GAS (GISEMENTS DE PÉTROLE ET DE GAS)
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UDC553.981
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Descriptor GERERDGAS (LAGERSTÄTTEN)
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Descriptor ENGNATURAL GAS (MINERAL DEPOSITS)
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Descriptor FREGAZ NATUREL (GISEMENTS)
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Variant GERERDGASLAGERSTÄTTEN
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Variant GERNATURGAS (LAGERSTÄTTEN)
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Variant ENGGAS DEPOSITS/NATURAL GAS (MINERAL DEPOSITS)
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Variant ENGHYDROCARBON DEPOSITS/GASEOUS DEPOSITS (MINERAL DEPOSITS)
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Variant FREGAZ NATUREL/GISEMENTS
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Variant FREHYDROCARBURES/GISEMENTS (GAZ NATUREL)
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NTGAZ NATUREL, TYPES DE DÉPÔTS (GISEMENTS)
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NTGAZ DE PÉTROLE (GISEMENTS)
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NTCONDENSATS (GISEMENTS)
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NTGAZ ACIDE (GISEMENTS)
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NTGAZ DE MARAIS (GISEMENTS)