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GUSTAVE SYZ
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GUSTAVE SYZ
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Application grantedgrantedCritical
Publication of FR377515ApublicationCriticalpatent/FR377515A/fr
B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
B43L25/00—Ink receptacles
B43L25/002—Caps or closure means for ink receptacles
FR377515D1907-05-061907-05-06Dispositif d'ouverture et de fermeture automatiques pour encriers fonctionnant par le poids du porte-plume
ExpiredFR377515A
(fr)