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Application filed by Lubomir Ing Lovisek, Karel Skvor, Frantisek NovotnyfiledCriticalLubomir Ing Lovisek
Priority to CS875841ApriorityCriticalpatent/CS263332B1/en
Publication of CS584187A1publicationCriticalpatent/CS584187A1/en
Publication of CS263332B1publicationCriticalpatent/CS263332B1/en