1999JB/T 9830-1999 Tractors for agriculture.Specifications pattern for operator`s manuals
1970ZB/T T 60007.2-1990 Agricultural Tractor Manual Technical Specification Format Walking Tractor
ZB/T T 60007.2-1990 Agricultural Tractor Manual Technical Specification Format Walking Tractor was changed to JB/T 9830-1999 Tractors for agriculture.Specifications pattern for operator`s manuals.