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Impact type dot printer
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Patent number 4,643,596
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Issue date Feb 17, 1987
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Seikosha Co., Ltd.
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Tatsuo Shimada
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Cassette type ink ribbon device
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Patent number 4,469,457
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Issue date Sep 4, 1984
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Seikosha Co., Ltd.
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Yoshinori Chida
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Impact type dot printer
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Patent number 4,465,386
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Issue date Aug 14, 1984
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Seikosha Co., Ltd.
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Tatsuo Shimada
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Paper tractor
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Patent number 4,421,262
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Issue date Dec 20, 1983
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Seikosha Co., Ltd.
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Yoshinori Chida
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Cassette type ink ribbon device
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Patent number 4,352,577
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Issue date Oct 5, 1982
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Seikosha Co., Ltd.
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Yoshinori Chida
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Intermittent paper feed mechanism
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Patent number 4,349,287
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Issue date Sep 14, 1982
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Seikosha Co., Ltd.
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Yoshinori Chida
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS