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Oxygen sensor
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Patent number 4,359,374
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Issue date Nov 16, 1982
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Nippondenso Co., Ltd.
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Hiromi Sano
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G01 - MEASURING TESTING
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Oxygen concentration detector
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Patent number T983005
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Issue date Jun 5, 1979
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Nippondenso Co. Ltd.
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Yoshinori Akiyama
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204 - Chemistry: electrical and wave energy
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Oxygen concentration detector
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Patent number T979002
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Issue date Feb 6, 1979
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Nippondenso Co., Ltd.
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Yoshinori Akiyama
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204 - Chemistry: electrical and wave energy
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Oxygen sensor
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Patent number 4,121,988
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Issue date Oct 24, 1978
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Nippondenso Co., Ltd.
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Hiromi Sano
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G01 - MEASURING TESTING