Release time:2023-09-01  Hits:

• School Sign:第一单位
• Disigner of the Invention:Li Fumin,guozhen,gengou,dujianmin,liguo,Ji YongSheng
• Type of Patent:国内
• State of Patent:专利授权
• Application Number:201911105844.1
• Number of Inventors:7
• Service Invention or Not:no
• Application Date:2019-11-03
• Authorization Date:2020-09-11
• First Author:zhangfengjie