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Publication date
Application filed by Milos Fiala, Karel Losenicky, Vaclav TeleckyfiledCriticalMilos Fiala
Priority to CS854458ApriorityCriticalpatent/CS253003B1/en
Publication of CS445885A1publicationCriticalpatent/CS445885A1/en
Publication of CS253003B1publicationCriticalpatent/CS253003B1/en