GB/T 20501.4-2018
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20501.4-2018
Public information guidance systems—Design principles and requirements for guidance elements—Part 4: Street guidance map 公共信息导向系统 导向要素的设计原则与要求 第4部分:街区导向图
Issued Date:2018
Implemented Date:2018
Issued by:
The Standardization Administration of the People's Republic of China