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Application filed by Jiri Strucovsky, Vratislav Ing Nosek, Dalimil Ing LaudatfiledCriticalJiri Strucovsky
Priority to CS866828ApriorityCriticalpatent/CS259198B1/en
Publication of CS682886A1publicationCriticalpatent/CS682886A1/en
Publication of CS259198B1publicationCriticalpatent/CS259198B1/en