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Application filed by Ελπιδα ΚαλογιαννιδηfiledCriticalΕλπιδα Καλογιαννιδη
Priority to GR570117892ApriorityCriticalpatent/GR17892B/el
Publication of GR17892BpublicationCriticalpatent/GR17892B/el
GR570117892A1957-05-311957-05-31Πρακτικη εφαρμογη σωληνος εις το στομιον των δοχειων προς διευκολυνσιν της μεταγγισεως των ρευστων ουσιων εξ αυτων.
GR17892B
(el)