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Application filed by Miroslav Janda, Dalibor Ing Andrejs, Jindrich VetrovecfiledCriticalMiroslav Janda
Priority to CS873935ApriorityCriticalpatent/CS262490B1/en
Publication of CS393587A1publicationCriticalpatent/CS393587A1/en
Publication of CS262490B1publicationCriticalpatent/CS262490B1/en