DIAMONDS, VERY HARD STONES (STONE INDUSTRY)
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BTPRECIOUS STONES AND SEMIPRECIOUS STONES (STONE INDUSTRY)
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BTVERY HARD MATERIALS
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UDC679.89*1
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Descriptor GERDIAMANTEN, SEHR HARTE STEINE (STEININDUSTRIE)
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Descriptor ENGDIAMONDS, VERY HARD STONES (STONE INDUSTRY)
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Descriptor FREDIAMANTS, PIERRES TRÈS DURES (INDUSTRIE DE LA PIERRE)
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Variant GERSEHR HARTE STEINE (STEININDUSTRIE)
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Variant GERSTEINE/SEHR HARTE STEINE (STEININDUSTRIE)
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Variant ENGVERY HARD STONES (STONE INDUSTRY)
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Variant ENGSTONES/VERY HARD STONES (STONE INDUSTRY)
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Variant FREPIERRES TRÈS DURES (INDUSTRIE DE LA PIERRE)
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NTSYNTHETIC DIAMONDS (TECHNICAL CHEMISTRY)