SCHISTES BITUMEUX (GISEMENTS)
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BTPÉTROLE ET GAS (GISEMENTS DE PÉTROLE ET DE GAS)
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UDC553.983
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Descriptor GERÖLSCHIEFER + BITUMINÖSER SCHIEFER (LAGERSTÄTTEN)
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Descriptor ENGBITUMINOUS SHALES + OIL SHALE (MINERAL DEPOSITS)
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Descriptor FRESCHISTES BITUMEUX (GISEMENTS)
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Variant GERSCHIEFER/ÖLSCHIEFER (LAGERSTÄTTEN)
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Variant GERBITUMINÖSER SCHIEFER (LAGERSTÄTTEN)
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Variant GERSCHIEFER/BITUMINÖSER SCHIEFER (LAGERSTÄTTEN)
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Variant ENGSHALES/BITUMINOUS SHALES (MINERAL DEPOSITS)
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Variant ENGOIL SHALES (MINERAL DEPOSITS)
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Variant ENGPETROLEUM SHALES (MINERAL DEPOSITS)
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Variant FREGISEMENTS/SCHISTES BITUMEUX
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Variant FRESCHISTES/BITUMINEUX (GISEMENTS)
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Variant FREBITUMINEUX/SCHISTES (GISEMENTS)