PENNA A SFERA
Inventor: Ernst Rosler, Konrad Kressel
Assignee: Montblanc-Simplo G. m. b. H.
Country: US
Application Date: 1957-02-11
Patent N°: 2986119
Brevettato: 1961-05-30
Priorità: 1956-02-17
Brand: Montblanc
Title: Writing instruments
Description: Penna a sfera
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