NATURAL GAS (MINERAL DEPOSITS)
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BTHYDROCARBON DEPOSITS (OIL AND GAS DEPOSITS)
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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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NTNATURAL GAS, TYPES OF DEPOSITS
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NTPETROLEUM GAS (MINERAL DEPOSITS)
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NTCONDENSATE (MINERAL DEPOSITS)
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NTSOUR GAS (MINERAL DEPOSITS)
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NTMARSH GAS DEPOSITS