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Application filed by Hajek Karel, Kratky Bohumil, Ruzickova Jirina, Husak Jiri, Alois Ing Kastanek, Sima MilanfiledCriticalHajek Karel
Priority to CS864801ApriorityCriticalpatent/CS255019B1/en
Publication of CS480186A1publicationCriticalpatent/CS480186A1/en
Publication of CS255019B1publicationCriticalpatent/CS255019B1/en