中華人民共和國國家標準
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 19408.4-2009
Agricultural vehicles - Mechanical connections between towed and towing vehicles - Part 4: Dimensions of piton-type coupling 農業車輛 挂車和牽引車的機械連接 第4部分:楔形連接裝置的尺寸
Issued Date:2009-11-15
Implemented Date:2010-05-01
Issued by:
The Standardization Administration of the People's Republic of China