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Publication date
Application filed by Kalab Jiri, Moravek JoseffiledCriticalKalab Jiri
Priority to CS86846ApriorityCriticalpatent/CS253189B1/en
Publication of CS84686A1publicationCriticalpatent/CS84686A1/en
Publication of CS253189B1publicationCriticalpatent/CS253189B1/en