Release Time:2019-10-11 Hits:
First Author: 张哲
Disigner of the Invention: 张勇,潘盛山,石磊,Huili Wang,Tan Yonggang,邱文亮,黄才良
Application Number: CN200510046298.0
Authorization Date: 2005-04-20
Authorization Number: CN1676753
Prev One:拱架的铰接拱脚
Next One:分布开裂式无缝伸缩缝