姚洪

·Patents

Current position: 英文主页 > Scientific Research > Patents
Hongyun Hu, Fu Yang, Mian Xu, Hong Yao, Yuhan Yang, Hua Tang, Huan Liu. A method and product for preparing high quality oil by directional remelting of tar. National invention patent. Application number: 201910416801.9
Release time:2019-09-11  Hits: