China 'GB/T 18024.4-2010
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 18024.4-2010
Graphical symbols for the technical documentation of coal mine machinery - Part 4:Graphical symbols for underground haulage machinery 煤矿机械技术文件用图形符号 第4部分:井下运输机械图形符号
Issued Date:2010-09-26
Implemented Date:2011-02-01
Issued by:
The Standardization Administration of the People's Republic of China