SULFUR DEPOSITS
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BTSULPHUR + SELENIUM + TELLURIUM (MINERAL DEPOSITS)
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UDC553.661
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Descriptor GERSCHWEFEL (LAGERSTÄTTEN)
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Descriptor ENGSULFUR DEPOSITS
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Descriptor FRESOUFRE GISEMENTS
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Variant FREGISEMENTS/SOUFRE
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NTSULPHUR ORE DEPOSITS + SULFIDE DEPOSITS (MINERAL DEPOSITS)