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Sumin Zhang
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Guangdong, CN
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last 30 patents
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Patent Grant
LED lamp
Patent number
D696809
Issue date
Dec 31, 2013
CE Lighting Ltd.
Sumin Zhang
D26 - Lighting
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Patent Grant
LED lamp
Patent number
D689234
Issue date
Sep 3, 2013
CE Lighting Ltd.
Sumin Zhang
D26 - Lighting