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Priority claimed from GR57858Aexternal-prioritypatent/GR61946B/en
Application filed by George Zafiriou, Karavelakis EleftheriosfiledCriticalGeorge Zafiriou
Priority to GR60937ApriorityCriticalpatent/GR64355B7/en
Publication of GR64355B7publicationCriticalpatent/GR64355B7/en