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Application filed by Gyula Orban, Istvan Hutas, Sandor Pataki, Laszlo NagyfiledCriticalGyula Orban
Priority to HU21991ApriorityCriticalpatent/HU209667B/en
Publication of HU910219D0publicationCriticalpatent/HU910219D0/en
Publication of HUT61460ApublicationCriticalpatent/HUT61460A/en
Publication of HU209667BpublicationCriticalpatent/HU209667B/en