Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Tip for mechanical pencils +
Pen-point +
Container +
Fountain pen desk set +
Self-filling pen +
Pencil +
Feed for fountain pens +
Fountain pen +
Frictional packing +
Feed bar and pen point +
Fountain pen section +
Fountain pen +
Mechanical pencil +
Desk set structure +
Self-filling fountain pen +
Securing means for receiving receptacles for pens +
Desk set +
Desk set for fountain pens +
Fountain pen desk set +
Fountain-pens +