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Hong Kong, HK
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Patent Grant
Cleaning apparatus for pool cleaning vehicle with endless loop track
Patent number
8,661,594
Issue date
Mar 4, 2014
Multi Wisdom Limited
Wing-kin Hui
E04 - BUILDING
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Patent Grant
Electrically conductive buoyant cable
Patent number
8,207,448
Issue date
Jun 26, 2012
Multi Wisdom Limited
Wing-kin Hui
H01 - BASIC ELECTRIC ELEMENTS
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