一种局部采用内置方钢管增强的钢筋混凝土框架
Date:2020-12-09 clicks:
Patent Applicant:王琨
Patent description:一种局部采用内置方钢管增强的钢筋混凝土框架
Type of Patent:实用新型
State of Patent:有效
Application Number:201520379065.1
Number of Inventors:5
Service Invention or Not:no
Application Date:2015-06-04
Authorization Date:2015-11-18
First Author:WK
