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| Mon 01 Dec 2025
Beijing, Dec. 2 -- Beijing Jifen Shidai Tech Co Ltd has sought patent for Marketing Promotion Method Based on Member Loss Prediction. This invention was developed by Yang Chengjie, Xu Long, Yang Jianghao, Wang Dong and Hou Junwen.
The patent application number is CN20251009207 20250103. The patent publication number is CN1199..