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Publication of FR558714ApublicationCriticalpatent/FR558714A/fr
B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
B43L1/12—Repeatedly-usable boards or tablets for writing or drawing having translucent writing surfaces producing visual impressions by co-operation with backing members
B43L1/123—Flexible writing surface or backing
B43L1/126—Flexible writing surface or backing withinterposed adhesive substances
FR558714D1922-11-161922-11-16Dispositif pour écrire et dessiner
ExpiredFR558714A
(fr)