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Qi Hong
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Guangdong, CN
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Patents Grants
last 30 patents
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Patent Grant
Camera lens
Patent number
D995611
Issue date
Aug 15, 2023
Yonghui Yuan
D16 - Photography and optical equipment
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Patent Grant
Camera lens
Patent number
D985658
Issue date
May 9, 2023
Yonghui Yuan
D16 - Photography and optical equipment