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NO. Category Subject Date Download
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8 Certification Utility Model Patent Certificate-A semi-internal and semi-external light source Eco-friendly display 02/18/2025
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11 Certification Utility Model Patent Certificate-A low power consumption sunlight screen 12/19/2024
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12 Certification Utility Model Patent Certificate-A sunlight readable screen based on external projection light source 12/19/2024





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