一种基于地理时空数据的移动信息搜索及知识发现系统 (郭迟,王霞仙,李玉等-ZL 2011 1 0199082.3)(已转让)
Date:2019-03-18
Hits:
- Note:
- 发明人:郭迟,王霞仙,李玉,周宇
- Type of Patent:
- Invent
- State of Patent:
- Authorized patents
- Authorization number:
- ZL 2011 1 0199082.3
- Service Invention or Not:
- no