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Application filed by Hlozanek Ivo, Korec Evzen, Dostalova Vlasta, Koenig Jaroslav Rndr D Praha 3, Mancal Petr, Vratislav Rndr Nemecek, Vladimir Mudr Csc ZelenyfiledCriticalHlozanek Ivo
Priority to CS86424ApriorityCriticalpatent/CS253240B1/en
Publication of CS42486A1publicationCriticalpatent/CS42486A1/en
Publication of CS253240B1publicationCriticalpatent/CS253240B1/en