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Application filed by Δημητριος ΓλυκαςfiledCriticalΔημητριος Γλυκας
Priority to GR570118240ApriorityCriticalpatent/GR18240B/el
Publication of GR18240BpublicationCriticalpatent/GR18240B/el
GR570118240A1957-10-161957-10-16Επιφανεια επιπεδος ισταμενη σταθερως εις οιονδηποτε υψος δι' απλης εκ των κατω προς τα ανω κατα βουλησιν ωθησεως.
GR18240B
(el)