NATURAL MATERIALS
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BTTYPES OF MATERIALS
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UDC620.22*2
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Descriptor GERNATÜRLICHE WERKSTOFFE
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Descriptor ENGNATURAL MATERIALS
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Descriptor FREMATÉRIAUX NATURELS
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Variant GERWERKSTOFFE/NATÜRLICHE WERKSTOFFE
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Variant ENGMATERIALS/NATURAL MATERIALS
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NTHAIR + BRISTLES + WOOL + ANIMAL FIBRES (ANIMAL PRODUCTS)
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NTWOOD MATERIALS (TIMBER INDUSTRY)
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NTNATURAL FIBRES, STRAW, STEM PRODUCTS, ETC. (AGRICULTURAL BY-PRODUCTS)
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NTNATURAL STONE, BUILDING STONES, MONUMENTAL STONES (STONE INDUSTRY)
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NTVEGETABLE FIBRES (TEXTILE INDUSTRY)