Proprietà:Patent title

Titolo del brevetto (come riportato sullo stesso).

Showing 20 pages using this property.
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Pencil case  +
Writing-point for stylographic pens  +
Fountain pen  +
Fountain pen  +
Nib for writing pens  +
Writing pen assembly  +
Fountain pen  +
Fountain pen  +
Fountain pen  +
Writing instrument  +
Writing instrument  +
Fountain pen  +
Writing instrument  +
Ink feed and overflow collector means for fountain pens  +
Fountain pen  +
Fountain pen  +
Fountain pen cleaning device  +
Fountain pen with positioning means for the ink sac thereof  +