| http://www.w3.org/ns/prov#value | - The new rubber mixtures have also proved to be effective for coupling mixtures for more firmly uniting rubber with reinforcing materials and reinforcing inserts, particularly fibres, fibre structures and wires, for example of glass, metals (for example steel cord, etched, zinc-plated or brass-plated) and textile materials (polyamide, polyester or polyarylamide fabrics and the like).
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