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LED head
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Patent number 5,946,022
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Issue date Aug 31, 1999
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Oki Data Corporation
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Katsuya Kamimura
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Wire driving mechanism
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Patent number 5,167,458
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Issue date Dec 1, 1992
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Oki Electric Industry Co., Ltd.
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Hirokazu Andou
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Wire-type printing head
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Patent number 4,913,569
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Issue date Apr 3, 1990
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Oki Electric Industry Co., Ltd.
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Tatsuya Koyama
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Wire-type printing head
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Patent number 4,820,065
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Issue date Apr 11, 1989
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Oki Electric Industry Co., Ltd.
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Tatsuya Koyama
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS