Food & Beverage
| Tue 14 Apr 2026
Beijing, April 14 -- PLA China 32181 Army has been granted a patent for Composite Solid Propellant Annular Grain Sample Preparation Equipment. This invention was developed by Wang Shaoguang, Zhang Jun, Sun Jiangsheng, Chen Jiangbo, Niu Zhengyi, Liu Jinxiang, Jiang Zhibao, Xiang Junfeng, Song Guifei, Lu Yonghua, Jia Haonan, Yang ..