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Serial printing device
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Patent number 3,941,229
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Issue date Mar 2, 1976
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Ing. C. Olivetti & C., S.p.A.
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Raffaele Becchi
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Electromagnetically operated printer
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Patent number 3,941,228
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Issue date Mar 2, 1976
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Firma Precisa AG. Rechenmaschinenfabrik
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Fritz Keiser
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3827543
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Patent number 3,827,543
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Issue date Aug 6, 1974
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3823807
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Patent number 3,823,807
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Issue date Jul 16, 1974
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3461996
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Patent number 3,461,996
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Issue date Aug 19, 1969
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3077256
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Patent number 3,077,256
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Issue date Feb 12, 1963
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS