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Ink-jet printing device
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Patent number 4,432,003
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Issue date Feb 14, 1984
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Ing. C. Olivetti & C., S.p.A.
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Aquilino Barbero
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Non-impact printing method
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Patent number 4,349,829
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Issue date Sep 14, 1982
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Ing. C. Olivetti & C., S.p.A.
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Michele Bovio
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Non-impact printing device
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Patent number 4,238,807
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Issue date Dec 9, 1980
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Ing. C. Olivetti & C., S.p.A.
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Michele Bovio
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS