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Application filed by Bela Kovacs, Kalman Szalai, Jozsef AlmasifiledCriticalBela Kovacs
Priority to HU81490ApriorityCriticalpatent/HUT65798A/hu
Publication of HU900814D0publicationCriticalpatent/HU900814D0/hu
Publication of HUT65798ApublicationCriticalpatent/HUT65798A/hu