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Far-infrared heater
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Patent number 4,965,434
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Issue date Oct 23, 1990
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Matsushita Electric Industrial Co., Ltd.
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Shoichi Nomura
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C03 - GLASS MINERAL OR SLAG WOOL
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Bread producing machine
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Patent number 4,951,559
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Issue date Aug 28, 1990
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Matsushita Electric Industrial Co., Ltd.
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Yuzuru Arao
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A21 - BAKING EDIBLE DOUGHS
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Catalytic combustion device
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Patent number 4,631,024
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Issue date Dec 23, 1986
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Matsushita Electric Industrial Co., Ltd.
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Tsuneo Shibata
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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