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Application filed by Bartko Michal, Stefan Ing SovcikfiledCriticalBartko Michal
Priority to CS841528ApriorityCriticalpatent/CS243914B1/en
Priority to RO84113805Aprioritypatent/RO89103A/en
Publication of CS152884A1publicationCriticalpatent/CS152884A1/en
Publication of CS243914B1publicationCriticalpatent/CS243914B1/en