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Tong Huang
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Guangzhou City, CN
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Patents Grants
last 30 patents
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Patent Grant
Suspendable magnetic brush for cleaning an aquarium with a curved w...
Patent number
7,313,841
Issue date
Jan 1, 2008
Tong Huang
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Patents Applications
last 30 patents
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Patent Application
Magnetic brush for cleaning the wall of an arc aquarium
Publication number
20060048326
Publication date
Mar 9, 2006
Tong Huang
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING