| http://www.w3.org/ns/prov#value | - Still, other additives which may be used are substances such as odoriferous substances, fungicides, resinous organopolysiloxanes, including those composed of (CH3)3 SiO178 and SiO4/2 units, purely organic resins such as homopolymers or copolymers of acrylonitrile, polystyrene, polyvinyl chloride or polypropylene, in which such purely organic resins, in particular copolymers of styrene and n-butyl
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