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Application filed by Ελπιδα ΚαλογιαννιδηfiledCriticalΕλπιδα Καλογιαννιδη
Priority to GR570117827ApriorityCriticalpatent/GR17827B/el
Publication of GR17827BpublicationCriticalpatent/GR17827B/el
GR570117827A1957-05-141957-05-14Πρακτικη εφαρμογη σωληνος εις το στομιον των δοχειων προς διευκολυνσιν της μεταγγισεως των ρευστων ουσιων εξ αυτων.
GR17827B
(el)