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Flat type dielectric filter
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Patent number 5,248,949
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Issue date Sep 28, 1993
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Matsushita Electric Industrial Co., Ltd.
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Kazuhiro Eguchi
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H01 - BASIC ELECTRIC ELEMENTS
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Humidity sensitive device
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Patent number 4,594,569
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Issue date Jun 10, 1986
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Matsushita Electric Industrial Co., Ltd.
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Fumio Fukushima
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G01 - MEASURING TESTING
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Ceramic luminescent device
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Patent number 4,386,295
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Issue date May 31, 1983
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Matsushita Electric Industrial Co., Ltd.
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Yosuke Fujita
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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