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

一种顶管隧道掌子面防突涌注浆增韧材料与永久护管工艺

Hits:

Title:一种顶管隧道掌子面防突涌注浆增韧材料与永久护管工艺

Institution:土建与水利学院

Type of Patent:Invent

Application Number:202410832244.X

Number of Inventors:5

Service Invention or Not:No

Application Date:2024-06-26

Publication Date:2024-08-27

Authorization Date:2024-08-27

Release Time:2025-05-24