Proprietà:Patent title

Titolo del brevetto (come riportato sullo stesso).

Showing 20 pages using this property.
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Feed for fountain pens  +
Fountain pen  +
Frictional packing  +
Feed bar and pen point  +
Fountain pen section  +
Fountain pen  +
Mechanical pencil  +
Desk set structure  +
Self-filling fountain pen  +
Securing means for receiving receptacles for pens  +
Desk set for fountain pens  +
Fountain pen desk set  +
Fountain-pens  +
Fountain pen  +
Fountain pen desk set  +
Fountain pen  +