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Application filed by Frantisek Ing Kasperkevic, Martisovits ViktorfiledCriticalFrantisek Ing Kasperkevic
Priority to CS87134ApriorityCriticalpatent/CS264715B1/cs
Publication of CS13487A1publicationCriticalpatent/CS13487A1/cs
Publication of CS264715B1publicationCriticalpatent/CS264715B1/cs