Proprietà:Patent title

Titolo del brevetto (come riportato sullo stesso).

Showing 20 pages using this property.
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Fountain-pen  +
Cap-clip for fountain-pens  +
Fountain-pen  +
Fountain-pen  +
Pen-point holder  +
Fountain pen  +
Fountain-pen  +
Improvement in alloys for the manufacture of pens  +
Fountain-pen  +
Self-filling fountain-pen  +
Fountain-pen  +
Fountain-pen cap  +
Lever-filler for fountain-pens  +
Pencil-clip  +
Fountain-pen  +
Stylographic fountain-pen  +
Fountain-pen  +
Penholder-clip  +
Fountain-pen  +
Fountain-pen  +