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Ceramic high dielectric composition
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Patent number 4,616,289
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Issue date Oct 7, 1986
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Matsushita Electric Industrial Co., Ltd.
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Gen Itakura
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Ceramic high dielectric composition
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Patent number 4,558,020
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Issue date Dec 10, 1985
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Matsushita Electric Industrial Co., Ltd.
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Gen Itakura
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Semiconductive ceramics
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Patent number 4,143,207
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Issue date Mar 6, 1979
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Matsushita Electric Industrial Co., Ltd.
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Gen Itakura
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES