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Application filed by Mojzisek Jaroslav, Vasica Leopold, Frantisek KrivcikfiledCriticalMojzisek Jaroslav
Priority to CS879312ApriorityCriticalpatent/CS267263B1/en
Publication of CS931287A1publicationCriticalpatent/CS931287A1/en
Publication of CS267263B1publicationCriticalpatent/CS267263B1/en