Sanitation
| Sat 19 Sep 2026
Beijing, Sept. 19 -- Anhui Ruilai Machinery Co Ltd has received a patent for Self-cleaning Directional Filter. This invention was developed by Cheng Yong, Cheng Song, Zhong Lingjie, Zhang Yanfeng, Chen Shiyin, Cheng Xiaolong and Luo Wenfeng.
The patent application number is CN202422996254U 20241205. The patent publication num..