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Publication date
Application filed by Karel Ing Marek, Zdenek Snizek, Svoboda Pavel, Vyskocil JoseffiledCriticalKarel Ing Marek
Priority to CS854003ApriorityCriticalpatent/CS259708B1/en
Publication of CS400385A1publicationCriticalpatent/CS400385A1/en
Publication of CS259708B1publicationCriticalpatent/CS259708B1/en