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Dusting device
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Patent number 9,579,007
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Issue date Feb 28, 2017
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YA-Ching Yang
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Remote notification method
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Patent number 9,237,026
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Issue date Jan 12, 2016
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INVENTEC (PUDONG) TECHNOLOGY CORPORATION
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Pai-Chen Lin
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Dust cloth texture
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Patent number 7,681,275
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Issue date Mar 23, 2010
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Pai Yung Lin
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Spiral duster
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Patent number 7,251,851
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Issue date Aug 7, 2007
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Oimo Industrial Company, Ltd.
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Pai-Yung Lin
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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