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Publication date
Application filed by Radko Ing Sablik, Milan Slavik, Pavel Ing JisafiledCriticalRadko Ing Sablik
Priority to CS844574ApriorityCriticalpatent/CS241867B1/en
Priority to DD27711685Aprioritypatent/DD255439A3/en
Priority to BG7060985Aprioritypatent/BG46651A1/en
Publication of CS457484A1publicationCriticalpatent/CS457484A1/en
Publication of CS241867B1publicationCriticalpatent/CS241867B1/en