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Air cleaning filter
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Patent number 6,579,352
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Issue date Jun 17, 2003
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Nikki-Universal Co., Ltd.
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Atsuo Tanaka
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F24 - HEATING RANGES VENTILATING
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Method for making magnetic rolls
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Patent number 4,640,808
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Issue date Feb 3, 1987
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Yamauchi Rubber Industry Co., Ltd.
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Kunio Okumura
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Press pad for forming press
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Patent number 4,461,800
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Issue date Jul 24, 1984
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Yamauchi Rubber Industry Co., Ltd.
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Atsuo Tanaka
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B32 - LAYERED PRODUCTS