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Oxygen sensor
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Patent number 4,762,605
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Issue date Aug 9, 1988
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Fuji Electric Co., Ltd.
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Takeo Tanaka
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G01 - MEASURING TESTING
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Optical gas densitometer
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Patent number 4,651,004
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Issue date Mar 17, 1987
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Fuji Electric Corporate Research & Development Co., Ltd.
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Masahiro Uno
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G01 - MEASURING TESTING
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Ammonia gas analyzer
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Patent number 4,432,939
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Issue date Feb 21, 1984
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Fuji Electric Co., Ltd.
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Atsuo Watanabe
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G01 - MEASURING TESTING
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Oxygen gas analyzing device
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Patent number 4,339,318
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Issue date Jul 13, 1982
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Fuji Electric Co., Ltd.
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Takeo Tanaka
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G01 - MEASURING TESTING