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Exhaust gas filter for diesel engine
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Patent number 4,718,926
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Issue date Jan 12, 1988
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Matsushita Electric Industrial Co., Ltd.
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Mitsuyoshi Nakamoto
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Exhaust gas filter
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Patent number 4,652,286
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Issue date Mar 24, 1987
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Matsushita Electric Industrial Co., Ltd.
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Takao Kusuda
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Ceramic burner plate
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Patent number 4,504,218
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Issue date Mar 12, 1985
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Matsushita Electric Industrial Co., Ltd.
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Toshihiro Mihara
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES