Proprietà:Patent title

Titolo del brevetto (come riportato sullo stesso).

Showing 20 pages using this property.
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Stylographic fountain-pen  +
Fountain-pen  +
Penholder-clip  +
Fountain-pen  +
Fountain-pen  +
Mechanical pencil  +
Pressure-bar mechanism  +
Fountain-pen  +
Retarded delivery device for fountain-pens  +
Fountain-pen-filling device  +
Mechanical pencil  +
Clip for fountain-pen caps or the like  +
Improvement in writing-pens  +
Chart for fountain-pens  +
Fountain-pen  +
Fountain-pen  +
Fountain-pen  +
Feed-bar for fountain-pens  +
Fountain-pen clip  +