Pipe
| Mon 21 Oct 2024
Beijing, Oct. 21 -- China Tobacco Henan Ind has been granted a patent for double-U-shaped buried pipe joint structure. This invention was developed by Zhang Mengsheng, Zhao Mingzhu, Wang Peijun, Chen Chen, Tian Yiming, Wang Longtao, Xu Yunpeng, Wang Zhiyong, Wang Genwang, Luo Juntao, Meng Linghui and Wang Zi.
The patent appli..