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Application filed by Zemek Jiri, Kuniak Ludovit, Viera Ing KrajnakovafiledCriticalZemek Jiri
Priority to CS843855ApriorityCriticalpatent/CS239825B1/en
Publication of CS385584A1publicationCriticalpatent/CS385584A1/en
Publication of CS239825B1publicationCriticalpatent/CS239825B1/en