Arturo Rolfo

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Murisengo, IT

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Patents Grantslast 30 patents

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Typing device for typing in several languages by combining sub-comp...
- Patent number 4,580,916
- Issue date Apr 8, 1986
- Ing. C. Olivetti & C., S.p.A.
- Arturo Rolfo
- G06 - COMPUTING CALCULATING COUNTING