一种制作预制隧道模型试块的模具及方法

Release time:2020-05-10|Hits:

Affilication of Author(s):土建与水利学院

Patent Applicant:liubin,yanglei,zhangbo,wangshugang

Type of Patent:发明

Application Number:201910412608.8

Number of Inventors:4

Service Invention or Not:no

Application Date:2019-05-17

Publication Date:2020-04-21

Authorization Date:2020-04-21