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| Sun 23 Nov 2025
Beijing, Nov. 24 -- Tianyuan Linyi Culture Media Co Ltd has been granted a patent for Guide Signboard. This invention was developed by Song Dezhi, Zhang Wendong, Yao Haiyu, Xie Yufei, Wang Jian, Sun Xumao, Ding Yang and Men Kunhong.
The patent application number is CN202422108996U 20240829. The patent publication number is CN..