适用于地下工程支护拱架的定量让压节点

Release time:2019-04-15|Hits:

Affilication of Author(s):岩土与结构工程研究中心

Patent Applicant:lishucai,Wang Qi,lihaiyan,zhangbo

Type of Patent:实用新型

Application Number:201220535723.8

Number of Inventors:4

Service Invention or Not:no

Application Date:2012-10-18

Publication Date:2013-04-17

Authorization Date:2013-04-17