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Programmable controller
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Patent number 4,542,452
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Issue date Sep 17, 1985
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Yokogawa Hokushin Electric Corporation
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Yoshio Fukai
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G05 - CONTROLLING REGULATING
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Sequence control apparatus
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Patent number 4,502,112
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Issue date Feb 26, 1985
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Hitachi, Ltd.
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Katsuhiro Fujiwara
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G05 - CONTROLLING REGULATING
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Programmable controller
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Patent number 4,484,303
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Issue date Nov 20, 1984
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Gould Inc.
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Salvatore R. Provanzano
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G05 - CONTROLLING REGULATING
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Sequence controller
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Patent number 4,365,312
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Issue date Dec 21, 1982
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Mitsubishi Denki Kabushiki Kaisha
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Nobumasa Nakano
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G05 - CONTROLLING REGULATING
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Programmable controller
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Patent number 4,307,447
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Issue date Dec 22, 1981
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Gould Inc.
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Salvatore R. Provanzano
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G05 - CONTROLLING REGULATING
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Mini-programmable controller
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Patent number 4,282,584
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Issue date Aug 4, 1981
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Allen-Bradley Company
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Ronald A. Brown
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G05 - CONTROLLING REGULATING
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