Proprietà:Patent title

Titolo del brevetto (come riportato sullo stesso).

Showing 20 pages using this property.
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Mechanical date indicator  +
Fountain pen  +
Fountain-pen desk set  +
Fountain pen  +
Fountain pen  +
Pen-gripping device  +
Pen-gripping device  +
Fountain pen  +
Ink cartridge  +
Lever for self-filling fountain pens  +
Pencil gripper  +
Pencil gripper  +
Pencil gripper  +
Fountain-pen desk stand  +
Fountain-pen clip  +
Mechanical pencil  +
Clip for pencil and the like  +
Fountain-pen desk set  +