Roberto Guelfo

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Montanaro, IT

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Patents Grantslast 30 patents

Information Patent Grant
Serial printhead ink supply
- Patent number 4,630,077
- Issue date Dec 16, 1986
- Ing. C. Olivetti & C., S.p.A.
- Pierangelo Berruti
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS