NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 726-1994
Reciprocating internal combustion engines--Designation of the direction of rotation and of cylinders and valves in cylinder heads and definition of right-hand and left-hand in line engines and locations on an engine 往复式内燃机 旋转方向、气缸和气缸盖上气门的标志及直列式内燃机右机、左机和发动机方位的定义
Issued Date:1994-12-27
Implemented Date:1995-07-01
Issued by:
The Standardization Administration of the People's Republic of China