China 'GB/T 21956.1-2008
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 21956.1-2008
The strength testing method and accepting condition of protective structures on narrow-track wheeled agricultural and forestry tractors - Part 1:Static testing method of front mounted ROPS 农林窄轮距轮式拖拉机防护装置强度试验方法和验收条件 第1部分:前置式静态试验方法
Issued Date:2008-06-03
Implemented Date:2009-01-01
Issued by:
The Standardization Administration of the People's Republic of China