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Electronic typewriter
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Patent number 4,553,866
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Issue date Nov 19, 1985
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Ing. C. Olivetti & C., S.p.A.
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Filippo Demonte
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G06 - COMPUTING CALCULATING COUNTING
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Electronic typewriter
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Patent number 4,500,216
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Issue date Feb 19, 1985
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Ing. C. Olivetti & C., S.p.A.
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Flippo Demonte
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G06 - COMPUTING CALCULATING COUNTING
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Machine for typing characters
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Patent number 4,320,980
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Issue date Mar 23, 1982
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Ing. C. Olivetti & C., S.p.A.
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Gian V. Mia
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Computer operator guide device
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Patent number 4,097,924
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Issue date Jun 27, 1978
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Ing. C. Olivetti & C., S.p.A.
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Mario Figini
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G06 - COMPUTING CALCULATING COUNTING
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