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Vacuum cleaner
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Patent number 7,311,742
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Issue date Dec 25, 2007
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Matsushita Electric Industrial Co., Ltd.
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Hiroshi Mori
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Vacuum cleaner
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Patent number 7,306,640
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Issue date Dec 11, 2007
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Matsushita Electric Industrial Co., Ltd.
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Yoshiki Kuroki
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Self-moving cleaner
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Patent number 6,901,624
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Issue date Jun 7, 2005
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Matsushita Electric Industrial Co., Ltd.
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Hiroshi Mori
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Vacuum cleaner
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Patent number 6,684,451
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Issue date Feb 3, 2004
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Matsushita Electric Industrial Co., Ltd.
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Tomonori Kato
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Vacuum cleaner
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Patent number 6,345,411
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Issue date Feb 12, 2002
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Matsushita Electric Industrial Co., Ltd.
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Tomonori Kato
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...