一种体外预应力锚具防腐结构
Release Time:2021-01-06 Hits:
First Author: 邱文亮
Disigner of the Invention: 蒋少寒,张哲,黄才良,Tan Yonggang,王骞,Huili Wang
Authorization Number: zl 2015 20009020.
Release Time:2021-01-06 Hits:
First Author: 邱文亮
Disigner of the Invention: 蒋少寒,张哲,黄才良,Tan Yonggang,王骞,Huili Wang
Authorization Number: zl 2015 20009020.