Proprietà:Patent title
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Titolo del brevetto (come riportato sullo stesso).
P
Fountain pen barrel +
Lead feeding pencil +
Tip for propelling pencils +
Decorative artificial product +
Fountain pen +
Fountain pen +
Fountain pen +
Fountain pen +
Fountain pen +
Runner tube for mechanical pencils +
Writing instrument clip with interchangeable initials +
Combined instrument clip and plaque holder +
Tube and method of forming the same +
Fountain pen +
Fountain pen +
Fountain pen +
Fountain pen and the like +
Fountain pen +
Fountain pen desk stand +