Proprietà:Patent title
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Titolo del brevetto (come riportato sullo stesso).
P
Fountain pen +
Pencil +
Metal box +
Fountain pen +
Pencil +
Self-filling fountain pen +
Mechanical pencil +
Pencil +
Fountain pen +
Fountain pen +
Filling device with rubber cap for fountain pens +
Means for retaining pens, pencils, and the like in the pockets of garments +
Fountain pen +
Check protector +
Pencil +
Fountain pen +
Stylographic fountain pen +
Self-filling fountain pen +
Pencil with adjustable lead +