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Application filed by Vratislav Svarovsky, Vaclav KodejsfiledCriticalVratislav Svarovsky
Priority to CS874301ApriorityCriticalpatent/CS262496B1/cs
Publication of CS430187A1publicationCriticalpatent/CS430187A1/cs
Publication of CS262496B1publicationCriticalpatent/CS262496B1/cs