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Application filed by Bedrich HellorfiledCriticalBedrich Hellor
Priority to GR370107145ApriorityCriticalpatent/GR7145B/el
Publication of GR7145BpublicationCriticalpatent/GR7145B/el
GR370107145A1937-04-141937-04-14Μεθοδος και προστατευτικη συσκευη προς αυτοματον εφραξιν τεθλαμμενων χωρων και οπων του αεροθαλαμουπνευματικων επισωτρων.
GR7145B
(el)