prov:value
| - A composite material according to claim 1, wherein sheathing or coating of the compact precursor is carried out by using polyamides, polyimides, polycarbonate, polyurethanes, polyureas or other polymers obtainable by the polyisocyanate polyaddition process, polyesters, polyolefins, their copolymers and/or graft copolymers, polyacrylates, polyphenelene sulphide, polyethers, styrene-butadiene acrylo
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