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2780166
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2754033
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2424988
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Issue date Aug 5, 1947
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2225010
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Patent number 2,225,010
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Issue date Dec 17, 1940
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS