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Application filed by Szilikat Koezponti KutatofiledCriticalSzilikat Koezponti Kutato
Priority to HU311590ApriorityCriticalpatent/HU206751B/en
Publication of HU903115D0publicationCriticalpatent/HU903115D0/en
Publication of HUT58391ApublicationCriticalpatent/HUT58391A/en
Publication of HU206751BpublicationCriticalpatent/HU206751B/en