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Application filed by Straka Frantisek, Vodsedalek JaroslavfiledCriticalStraka Frantisek
Priority to CS8710188ApriorityCriticalpatent/CS265408B1/en
Publication of CS1018887A1publicationCriticalpatent/CS1018887A1/en
Publication of CS265408B1publicationCriticalpatent/CS265408B1/en