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Publication of FR1042448ApublicationCriticalpatent/FR1042448A/fr
B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
B43K—IMPLEMENTS FOR WRITING OR DRAWING
B43K1/00—Nibs; Writing-points
B43K1/08—Nibs; Writing-points with ball points; Balls or ball beds
FR1042448D1951-09-281951-09-28Utilisation des matières plastiques pour les fabrications des pointes des crayons à billes et des stylos à billes
ExpiredFR1042448A
(fr)