Proprietà:Patent title
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Titolo del brevetto (come riportato sullo stesso).
P
Reservoir Pen +
Holder for fountain pens +
Pencil +
Reservoir pen +
Fountain pen +
Fountain pen +
Clip or fastener +
Combined fountain-pen rack and paper weight +
Fountain-pen rack +
Fountain-pen desk set +
Die-casting machine +
Clip for pens, pencils, and the like +
Fountain-pen +
Fountain pen +
Swivel pen support for desk sets +
Pad-holding desk set +
Mechanical date indicator +
Pencil +
Fountain pen +
Fountain-pen desk set +