一种长寿命型钢混凝土框架结构
Date:2020-12-09 clicks:
Patent Applicant:王琨
Patent description:一种长寿命型钢混凝土框架结构
Type of Patent:发明
State of Patent:#N/A
Application Number:201711219988.0
Number of Inventors:2
Service Invention or Not:no
Application Date:2017-11-29
First Author:WK