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Thermal type flowmeter
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Patent number 6,098,455
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Issue date Aug 8, 2000
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Tokyo Gas Co., Ltd.
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Kazumitsu Nukui
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G01 - MEASURING TESTING
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Vibration sensor
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Patent number 6,089,092
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Issue date Jul 18, 2000
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Omron Corporation
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Kenji Shinohara
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G01 - MEASURING TESTING
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Flowmeter
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Patent number 5,861,556
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Issue date Jan 19, 1999
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Tokyo Gas Co., Ltd.
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Kazumitsu Nukui
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G01 - MEASURING TESTING