SANDSTONES + SILICEOUS STONES (BUILDING MATERIALS)
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BTNATURAL STONES (BUILDING MATERIALS)
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UDC691.217
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Descriptor GERSANDSTEINE + KIESELGESTEINE (BAUSTOFFE)
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Descriptor ENGSANDSTONES + SILICEOUS STONES (BUILDING MATERIALS)
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Descriptor FREGRÈS + PIERRE SILICEUSE (MATÉRIAUX DE CONSTRUCTION)
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Variant GERKIESELGESTEINE/BAUSTOFFE
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Variant GERSTEINE/SANDSTEINE (BAUSTOFFE)
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Variant ENGSTONES/SANDSTONES, SILICEOUS STONES (BUILDING MATERIALS)
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Variant ENGSILICEOUS STONES (BUILDING MATERIALS)
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Variant FREPIERRES SILICIEUSES (MATÉRIAUX DE CONSTRCTION)
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Variant FRESILICE/PIERRE SILICEUSE (MATÉRIAUX DE CONSTRUCTION)