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Application filed by Beran Jaromir, Sedlak Josef, Jaroslav Zavrel, Josef ZoudlikfiledCriticalBeran Jaromir
Priority to CS831593ApriorityCriticalpatent/CS230939B1/en
Publication of CS159383A1publicationCriticalpatent/CS159383A1/en
Publication of CS230939B1publicationCriticalpatent/CS230939B1/en