Measurement & Testing
| Thu 12 Nov 2026
Beijing, Nov. 12 -- State Intellectual Property Office of China has awarded a patent to Shanghai Marine Geological Explor And Design Co Ltd for Cleaning Device Special for Measuring Cylinder. Li An, Li Youjie, Tan Junhua, Shen Xiaojun, Sang Jingtao, Li Guoying, Xu Jiazhi, Lu Ningbo, Li Youmian, Li Mei, Xu Fengchang, Yuan Yan, Ka..