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Reaction tube
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Patent number D790490
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Issue date Jun 27, 2017
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Hitachi Kokusai Electric Inc.
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Akihiro Osaka
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D13 - Equipment for production, distribution, or transformation of energy
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Reaction tube
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Patent number D786951
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Issue date May 16, 2017
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Hitachi Kokusai Electric Inc.
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Akihiro Osaka
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D15 - Machines not elsewhere specified
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Protector tube for thermocouple
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Patent number D778742
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Issue date Feb 14, 2017
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Hitachi Kokusai Electric Inc.
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Akihiro Osaka
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D10 - Measuring, testing, or signalling instruments
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Protector tube for thermocouple
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Patent number D778741
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Issue date Feb 14, 2017
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Hitachi Kokusai Electric Inc.
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Akihiro Osaka
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D10 - Measuring, testing, or signalling instruments