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Application filed by Kanicky Viktor, Zdenek Kratochvil, Zdenek Pernica, Sverak FrantisekfiledCriticalKanicky Viktor
Priority to CS872907ApriorityCriticalpatent/CS260726B1/en
Publication of CS290787A1publicationCriticalpatent/CS290787A1/en
Publication of CS260726B1publicationCriticalpatent/CS260726B1/en