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Application filed by Tibor Farkas, Kekes Szabo Andras, Istvan Lepran, Laszlo SzekeresfiledCriticalTibor Farkas
Priority to HU632890ApriorityCriticalpatent/HU204981B/en
Publication of HU906328D0publicationCriticalpatent/HU906328D0/en
Publication of HU204981BpublicationCriticalpatent/HU204981B/en