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Application filed by Zdenek Ing Csc Sterbacek, Kubanek VladimirfiledCriticalZdenek Ing Csc Sterbacek
Priority to CS838260ApriorityCriticalpatent/CS238767B1/en
Publication of CS826083A1publicationCriticalpatent/CS826083A1/en
Publication of CS238767B1publicationCriticalpatent/CS238767B1/en