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Humidity sensor
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Patent number 4,737,707
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Issue date Apr 12, 1988
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Matsushita Electric Industrial Co., Ltd.
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Keijiro Mori
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G01 - MEASURING TESTING
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PWM inverter apparatus
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Patent number 4,691,269
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Issue date Sep 1, 1987
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Matsushita Electric Industrial Co., Ltd.
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Shigeki Yamane
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Combustion control system
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Patent number 4,393,858
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Issue date Jul 19, 1983
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Matsushita Electric Industrial Co., Ltd.
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Keiichi Mori
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G05 - CONTROLLING REGULATING
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