定量涨缩式模型试验小断面隧洞精准预成型装置及方法

Release time:2021-06-08|Hits:

Affilication of Author(s):齐鲁交通学院

Type of Patent:发明

Application Number:202110459903.6

Number of Inventors:3

Service Invention or Not:no

Application Date:2021-04-27

Publication Date:2022-07-29

Authorization Date:2022-07-29