Proprietà:Patent title

Titolo del brevetto (come riportato sullo stesso).

Showing 20 pages using this property.
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Fountain-pen  +
Filling-bottle for fountain-pens  +
Mechanically-operated advertising device  +
Fountain or reservoir pen  +
Fountain-pen  +
Fountain-pen  +
Chasing-machine  +
Fountain-pen  +
Fountain pen  +
Single-magazine pencil  +
Fountain pen  +
Fountain-pen  +
Fountain pen  +
Magazine Pencil  +
Chasing machine  +
Fountain pen  +
Mechanical pencil  +