Language : English
阳军生

Patents

一种运营隧道裂损衬砌补强加固方法

Patent Applicant:王立川, 刘锦成, 杨峰, 阳军生, 肖小文

Type of Patent:Invent

State of Patent:Authorized patents

Authorization number:ZL 201410353258.X

Service Invention or Not:no