GB/T 6961-2003
ActiveOperating requirements for tractors power take-off and drawbars
拖拉机动力输出轴和牵引装置的使用要求
📚 References & Relations / 引用与关联
normative_reference
GB 10396
normative_reference
GB/T 3871.
normative_reference
ISO 11684
normative_reference
ISO 789-