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Pressure cooker with sensor
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Patent number 5,048,400
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Issue date Sep 17, 1991
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Matsushita Electric Industrial Co., Ltd.
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Shigeki Ueda
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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High-frequency heating apparatus
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Patent number 4,888,461
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Issue date Dec 19, 1989
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Matsushita Electric Industrial Co., Ltd.
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Teruhisa Takano
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Key input device
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Patent number 4,872,008
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Issue date Oct 3, 1989
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Matsushita Electric Industrial Co., Ltd.
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Akinori Ohtsuka
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H03 - BASIC ELECTRONIC CIRCUITRY
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