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Application filed by Vendel Illes, Karoly Welther, Lajos PeczelifiledCriticalVendel Illes
Priority to HU9202049ApriorityCriticalpatent/HU212996B/en
Publication of HU9202049D0publicationCriticalpatent/HU9202049D0/en
Publication of HUT64486ApublicationCriticalpatent/HUT64486A/en
Publication of HU212996BpublicationCriticalpatent/HU212996B/en