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Floor surface blasting apparatus
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Patent number 5,667,429
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Issue date Sep 16, 1997
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Chubu Electric Power Company, Inc.
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Kiyoshi Uchida
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Floor surface blasting apparatus
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Patent number 5,435,773
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Issue date Jul 25, 1995
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Chubu Electric Power Co., Inc.
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Kiyoshi Uchida
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Floor surface blasting apparatus
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Patent number 5,339,573
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Issue date Aug 23, 1994
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Chubu Electric Power Co., Inc.
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Kiyoshi Uchida
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR