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Application filed by Ελπιδα ΚαλογιαννιδηfiledCriticalΕλπιδα Καλογιαννιδη
Priority to GR570117932ApriorityCriticalpatent/GR17932B/el
Publication of GR17932BpublicationCriticalpatent/GR17932B/el
GR570117932A1957-06-151957-06-15Πρακτικη εφαρμογη σωληνος εις το στομιον των δοχειων προς διευκολυνσιν της μεταγγισεως των ρευστων ουσιων εξ αυτων.
GR17932B
(el)