China 'GB/T 23371.1-2013
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 23371.1-2013
Basic principles for graphical symbols for use on electrical equipment―Part 1: Creation of graphical symbols for registration 电气设备用图形符号基本规则 第1部分:注册用图形符号的生成
Issued Date:2013-12-17
Implemented Date:2014-04-09
Issued by:
The Standardization Administration of the People's Republic of China