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Pressure sensor
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Patent number 5,214,961
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Issue date Jun 1, 1993
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NGK Spark Plug Co., Ltd.
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Takao Kojima
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G01 - MEASURING TESTING
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Pressure sensor
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Patent number 5,201,228
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Issue date Apr 13, 1993
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NGK Spark Plug Co., Ltd.
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Takao Kojima
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G01 - MEASURING TESTING
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Pressure sensor
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Patent number 5,189,916
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Issue date Mar 2, 1993
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NGK Spark Plug Co., Ltd.
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Katsuyoshi Mizumoto
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G01 - MEASURING TESTING