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Application filed by Kubata Milan, Mladek MilosfiledCriticalKubata Milan
Priority to CS836895ApriorityCriticalpatent/CS241440B1/en
Priority to SU847773562Aprioritypatent/SU1440834A1/en
Publication of CS689583A1publicationCriticalpatent/CS689583A1/en
Publication of CS241440B1publicationCriticalpatent/CS241440B1/en