多功能导览牌
Release time:2024-08-09
Hits:
- Affilication of Author(s):
- 建筑学院
- Scope of patent:
- 国内
- Disigner of the Invention:
- 常志坚
- Type of Patent:
- Utility models
- State of Patent:
- 专利授权
- Application Number:
- 200920032877.3
- Service Invention or Not:
- yes
- Application Date:
- 2009-04-29
- Authorization Date:
- 2010-02-03
- First Author:
- liuhui,dongludi