Patents
一种既有建筑增设楼顶停车场或健身场的结构及实施方法
- School Sign:第一单位
- Type of Patent:国内
- State of Patent:专利授权
- Application Number:202011277718.7
- Service Invention or Not:no
- Application Date:2020-11-16
- Publication Date:2022-02-15
- Authorization Date:2022-02-15
Pre One:一种开洞预制隔墙板分部预应力拼装方法