Pipe
| Sat 24 Oct 2026
Beijing, Oct. 23 -- Tianjin Amtech Vacuum Technology has been granted a patent for Cleaning Device for Spray Pipe. Gu Heyu, Zheng Tiecheng, Zhang Jiaqi, Li Yichao, Zhang Chengjin, Liu Caixia, Zhao Shuai, Zhang Nan, Yuan Ning, Zhang Junhao and Yao Shijun developed the invention.
The patent application number is CN202423210358U 2..