CORUNDUM + EMERY + ABRASIVES (MINERAL DEPOSITS)
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BTECONOMIC MINERALS AND EARTHS, INORGANIC (MINERAL DEPOSITS)
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UDC553.65
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Descriptor GERSCHMIRGEL + KORUND + SCHLEIFMITTEL (LAGERSTÄTTEN)
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Descriptor ENGCORUNDUM + EMERY + ABRASIVES (MINERAL DEPOSITS)
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Descriptor FREEMERI + CORINDON (GISEMENTS)
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Variant GERSCHMIRGEL (LAGERSTÄTTEN)
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Variant GERKORUND (LAGERSTÄTTEN)
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Variant GERSCHLEIFMITTEL (LAGERSTÄTTEN)
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Variant ENGCORUNDUM (MINERAL DEPOSITS)
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Variant ENGEMERY (MINERAL DEPOSITS)
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Variant ENGABRASIVES (MINERAL DEPOSITS)
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Variant FREEMERI (GISEMENTS)
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Variant FRECORINDONS/GISEMENTS
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Variant FREGISEMENTS/CORINDONS