Modifiche

This changed only after the mid '30s, when the role of [[Aurora]] sub-brand became officially recognized by the appearance of [[Olo]] pens in the parent company catalogs, as proposed as lower end pens, but with the usual characteristics of reliability and robustness.

This changed only after the mid '30s, when the role of [[Aurora]] sub-brand became officially recognized by the appearance of ''Olo'' pens in the parent company catalogs, as proposed as lower end pens, but with the usual characteristics of reliability and robustness.