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Publication date
Priority claimed from CS1196Aexternal-prioritypatent/CS173988B1/cs
Application filed by Ludovit Kuniak, Michal FedoronkofiledCriticalLudovit Kuniak
Priority to CS724577ApriorityCriticalpatent/CS238802B3/cs
Publication of CS724577A1publicationCriticalpatent/CS724577A1/cs
Publication of CS238802B3publicationCriticalpatent/CS238802B3/cs