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Application filed by Eva Ing Hykova, Marie Podebradska, Ladislav Ing SalatfiledCriticalEva Ing Hykova
Priority to CS865223ApriorityCriticalpatent/CS259494B1/en
Publication of CS522386A1publicationCriticalpatent/CS522386A1/en
Publication of CS259494B1publicationCriticalpatent/CS259494B1/en