Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Βασιλειος Γρηγοριαδης, Ιωαννης ΓρηγοριαδηςfiledCriticalΒασιλειος Γρηγοριαδης
Priority to GR600120824ApriorityCriticalpatent/GR20824B/en
Publication of GR20824BpublicationCriticalpatent/GR20824B/en