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Application filed by Miroslav Rndr Csc Raab, Schulz Dr Eckhard, Vladimir Ing Hnat, Zdenek Rndr Csc Pelzbauer, Krejci Milos, Makovsky JirifiledCriticalMiroslav Rndr Csc Raab
Priority to CS884165ApriorityCriticalpatent/CS272090B1/cs
Publication of CS416588A1publicationCriticalpatent/CS416588A1/cs
Publication of CS272090B1publicationCriticalpatent/CS272090B1/cs
"perfeccionamientos en un procedimiento para flexibilizar una lamina de esponja de material plastico rigido, de celdas substancialmente cerradas".