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Home › Polyvinyl chloride/polyurethane foam composite elements, the productions thereof, and liquid, urethane-containing polyisocyanate mixtures which can be used to prepare the polyurethane foam

Polyvinyl chloride/polyurethane foam composite elements, the productions thereof, and liquid, urethane-containing polyisocyanate mixtures which can be used to prepare the polyurethane foam

US Patent 5334448 · Granted Aug 2, 1994

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