| http://www.w3.org/ns/prov#value | - Examples of suitable organic substrates are sheets or other mouldings of pure organic polymers, copolymers or mixtures of, for example, polycarbonate, polystyrene, polyacrylates, polyesters such as polyethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, polyamides, polyimides, optionally glass-fibre reinforced epoxy resins, cellulose derivatives such as cellulose triaceta
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