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Application filed by Antonin Ing Csc Baudys, Pravdomil Kadlec, Roman Ing KricekfiledCriticalAntonin Ing Csc Baudys
Priority to CS857641ApriorityCriticalpatent/CS252243B1/en
Publication of CS764185A1publicationCriticalpatent/CS764185A1/en
Publication of CS252243B1publicationCriticalpatent/CS252243B1/en