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Application filed by Γεωργιος Νιττης, Σπυριδων ΧατζηπερηςfiledCriticalΓεωργιος Νιττης
Priority to GR670131774ApriorityCriticalpatent/GR31774B/el
Publication of GR31774BpublicationCriticalpatent/GR31774B/el