China 'GB/T 20258.4-2019
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20258.4-2019
Data dictionary for fundamental geographic information features—Part 4:Scale of 1:250 000 1:500 000 1:1 000 000 基础地理信息要素数据字典 第4部分:1∶250 000 1∶500 000 1∶1 000 000 比例尺
Issued Date:2019
Implemented Date:2019-10-1
Issued by:
The Standardization Administration of the People's Republic of China