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Application filed by Αποστολος ΠουλοπουλοςfiledCriticalΑποστολος Πουλοπουλος
Priority to GR380107405ApriorityCriticalpatent/GR7405B/el
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GR380107405A1938-05-281938-05-28Μεθοδος και μηχανημα ειδικης επεξεργασιας η χνουδωσεως της επιφανειας των διαφορων και πασης φυσεωσπιληματων.
GR7405B
(el)