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Application filed by Strasky Jiri, Zdenek Prof Ing Csc Smerda, Mencl Vojtech, Miroslav Spudil, Korenek MiroslavfiledCriticalStrasky Jiri
Priority to CS877691ApriorityCriticalpatent/CS263115B1/en
Publication of CS769187A1publicationCriticalpatent/CS769187A1/en
Publication of CS263115B1publicationCriticalpatent/CS263115B1/en