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Publication date
Application filed by Petr Canda, Hoffmann EvzenfiledCriticalPetr Canda
Priority to CS884129ApriorityCriticalpatent/CS266760B1/en
Publication of CS412988A1publicationCriticalpatent/CS412988A1/en
Publication of CS266760B1publicationCriticalpatent/CS266760B1/en