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Pattern recognition system
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Patent number 4,021,778
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Issue date May 3, 1977
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Hitachi, Ltd.
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Hirotada Ueda
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G06 - COMPUTING CALCULATING COUNTING
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Automatic working machine
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Patent number 3,967,242
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Issue date Jun 29, 1976
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Hitachi, Ltd.
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Osamu Isoo
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Pattern recognition system
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Patent number 3,936,800
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Issue date Feb 3, 1976
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Hitachi, Ltd.
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Masakazu Ejiri
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B66 - HOISTING LIFTING HAULING