Release Time:2021-01-06 Hits:
First Author: 张哲
Disigner of the Invention: 王骞,宋向群,潘伟,耿铁锁,Tan Yonggang,Huili Wang,黄才良,康松涛,王博
Authorization Date: 2012-02-02
Authorization Number: ZL201220032969.3
Prev One:一种拓宽薄壁的混凝土箱梁
Next One:一种无缝伸缩缝