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| Thu 06 Aug 2026
Beijing, Aug. 6 -- Yangzhou Jiarun Marking Co Ltd has sought patent for Laser Engraving Machine for Signboard. This invention was developed by Zhang Xiaofeng, Miao Jingfei, Xu Min, Zhao Xiaofeng and Ye Jianxin.
The patent application number is CN20251256437 20251231. The patent publication number is CN122033458 (A). Internati..