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Application filed by Zaloudek Josef, Zdenek Ing Svoboda, Jaroslav Dipl Tech MatoulekfiledCriticalZaloudek Josef
Priority to CS845000ApriorityCriticalpatent/CS239491B1/cs
Publication of CS500084A1publicationCriticalpatent/CS500084A1/cs
Publication of CS239491B1publicationCriticalpatent/CS239491B1/cs