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Application filed by Beranek Jiri, Hrebabecky Hubert, Brokes Josef, Ladislav Phdr NovotnyfiledCriticalBeranek Jiri
Priority to CS841314ApriorityCriticalpatent/CS264902B1/en
Publication of CS131484A1publicationCriticalpatent/CS131484A1/en
Publication of CS264902B1publicationCriticalpatent/CS264902B1/en