Optics & Imaging
| Wed 07 Jan 2026
Beijing, Jan. 7 -- Tibet Julong Copper Ind Co Ltd has submitted a patent application for Manual Telescopic Periscope. This invention was developed by Ning Xianjie, Chen Caixian, Yu Guangpeng, Gu Peng, Zhao Longxiang, Diao Yongfei, Zhang Zhigang, Wang Dehua, Jin Xing, Zhang Chaozhong and Zhao Liang.
The patent application numb..