NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 2351-2005
Fluid power systems and components-Connectors and associated components-Nominal outside diameters of tubes and nominal inside diameters of hoses 液压气动系统用硬管外径和软管内径
Issued Date:2005-07-11
Implemented Date:2006-01-01
Issued by:
The Standardization Administration of the People's Republic of China