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Application filed by Θεοδωρος ΠαπαβασιλειουfiledCriticalΘεοδωρος Παπαβασιλειου
Priority to GR480111573ApriorityCriticalpatent/GR11573B/en
Publication of GR11573BpublicationCriticalpatent/GR11573B/en
GR480111573A1948-03-171948-03-17
NEW TYPE OF DRAWING NOTEBOOKS FOR THE USE OF THE BEGINNING STUDENTS, BY GOOD WRITING AND CALLIGRAPHY ACHIEVED IN SCHOOLS.
GR11573B
(en)