一种地理实体拓扑关系的代数结构表达方法
- Date:2021-05-15 Hits:Times
Affilication of Author(s):
武汉大学
Type of Patent:
Invent
State of Patent:
Authorized patents
Authorization number:
201210486589.1
Number of Inventors:
3
Service Invention or Not:
no
Application Date:
2012-11-26
Authorization Date:
2015-09-16