Modifiche

|Ritocchi=yes

|Ritocchi=yes

|Tema=graduation

|Tema=graduation

|Note_it={{Datazione|backco}} Pubblicizza i modelli [[Advertised Model::Duofold]] in [[celluloide]] (chiamata [[Advertising Feature::Permanite]]) e cita anche la combinazione con la matita meccanica ''Duette'' chiamata ''Duofold Duette''.

|Note_it={{Datazione|backco}} Pubblicizza i modelli [[Advertised Model::Duofold]] in [[celluloide]] (chiamata [[Advertised Feature::Permanite]]) e cita anche la combinazione con la matita meccanica ''Duette'' chiamata ''Duofold Duette''.

|Note_en={{Dating|backco}} Advertising for the [[Duofold]] models in [[celluloid]] (called [[Permanite]]), citing also the combination with the ''Duette'' pencil, called ''Duofold Duette''.

|Note_en={{Dating|backco}} Advertising for the [[Duofold]] models in [[celluloid]] (called [[Permanite]]), citing also the combination with the ''Duette'' pencil, called ''Duofold Duette''.

}}

}}