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Application filed by Talich Stanislav, Preisler Vlastimil, Zizka JanfiledCriticalTalich Stanislav
Priority to CS855475ApriorityCriticalpatent/CS258915B1/en
Publication of CS547585A1publicationCriticalpatent/CS547585A1/en
Publication of CS258915B1publicationCriticalpatent/CS258915B1/en