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Application filed by Buryan Petr, Kubicka Rudolf, Miroslav Ing Jira, Kopecky IvanfiledCriticalBuryan Petr
Priority to CS88618ApriorityCriticalpatent/CS270979B1/en
Publication of CS61888A1publicationCriticalpatent/CS61888A1/en
Publication of CS270979B1publicationCriticalpatent/CS270979B1/en