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Printing apparatus
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Patent number 4,033,258
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Issue date Jul 5, 1977
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Colorflo Limited
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Harold F. Farrow
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3842738
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Patent number 3,842,738
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Issue date Oct 22, 1974
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3730088
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Patent number 3,730,088
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Issue date May 1, 1973
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2645175
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Patent number 2,645,175
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Issue date Jul 14, 1953
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS