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Gas sensor
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Patent number 11,821,865
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Issue date Nov 21, 2023
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NITERRA CO., LTD.
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Masana Okai
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G01 - MEASURING TESTING
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Gas sensor
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Patent number 11,609,215
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Issue date Mar 21, 2023
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NGK Spark Plug Co., Ltd.
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Daisuke Matsuyama
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G01 - MEASURING TESTING
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Gas sensor
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Patent number 11,531,002
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Issue date Dec 20, 2022
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NGK Spark Plug Co., Ltd.
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Daisuke Matsuyama
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES