Lighting
| Tue 20 Oct 2026
Beijing, Oct. 20 -- Wang Yijing has been granted a patent for Multipurpose Learning Lamp. Wang Yijing developed the invention.
The patent application number is CN202520413700U 20250311. The patent publication number is CN223855547 (U). International Patent Classification codes are F21V19/00, F21V19/02, F21V21/00, F21V21/14, F..