孙纪正

Lecturer  

Name (Simplified Chinese):孙纪正

Date of Employment:1994-07

School/Department:土建与水利学院

Gender:Male

College:School of Civil Engineering


Patents

SHIELD TUNNEL SEGMENT STRUCTURE AND CONSTRUCTION METHOD THEREOF

Hits:

Title:SHIELD TUNNEL SEGMENT STRUCTURE AND CONSTRUCTION METHOD THEREOF

Institution:土建与水利学院

Type of Patent:Invent

Application Number:US11965420B2

Number of Inventors:2

Service Invention or Not:No

Application Date:2023-07-05

Publication Date:2024-04-23

Authorization Date:2024-04-23

Release Time:2025-05-27