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Patents Grantslast 30 patents

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    • Patent number 9,726,963
    • Issue date Aug 8, 2017
    • ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO., LTD.
    • Fan Xiao
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

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    • Publication number 20240337348
    • Publication date Oct 10, 2024
    • GUANGDONG SIRUI OPTICAL CO., LTD.
    • JIE LI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    • Publication number 20240142044
    • Publication date May 2, 2024
    • Guangdong Sirui Optical Co., Ltd.
    • Jie LI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...