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Fremgangsmåde til dannelse af en tynd, gennemsigtig metaloxidfilm indeholdende mindst 25 vægtprocent cobaltoxid på et glasunderlag samt filmdannende opløsning til gennemførelse af fremgangsmåden.
Nuevo procedimiento para revestir papel, cartulina y cartón mediante traspaso, sobre una o ambas caras de dichos materiales, de películas de sustancias plásticas