采用活性粉末混凝土外包的钢管混凝土叠合柱构件
Date:2020-12-09 clicks:
Patent Applicant:王琨
Patent description:采用活性粉末混凝土外包的钢管混凝土叠合柱构件
Type of Patent:实用新型
State of Patent:有效
Application Number:201520377986.4
Number of Inventors:6
Service Invention or Not:no
Application Date:2015-06-04
Authorization Date:2015-11-18
First Author:WK
