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Application filed by Ιωαννης Καβαλλακης, Βασιλειος ΚαλλιγερηςfiledCriticalΙωαννης Καβαλλακης
Priority to GR580119030ApriorityCriticalpatent/GR19030B/en
Publication of GR19030BpublicationCriticalpatent/GR19030B/en