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Application filed by Kostkan Jan, Miluse Ing Maternova, Josef Ing Smidek, Blanka Ing Vostarkova, Miloslava Potacova, Jary JirifiledCriticalKostkan Jan
Priority to CS837272ApriorityCriticalpatent/CS252109B1/en
Publication of CS727283A1publicationCriticalpatent/CS727283A1/en
Publication of CS252109B1publicationCriticalpatent/CS252109B1/en