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Application filed by Imrich Ing Csc BellerfiledCriticalImrich Ing Csc Beller
Priority to SK2626-88ApriorityCriticalpatent/SK279302B6/en
Priority to CS882626Aprioritypatent/CZ280404B6/en
Publication of CS262688A3publicationCriticalpatent/CS262688A3/en
Publication of CZ280404B6publicationCriticalpatent/CZ280404B6/en