标准摘要
[中文适用范围]： 本国际标准规定了 50 毫米牵引孔的特性，这是拖车上联接部件的可互换性所必需的，并允许牵引车辆和配备这些部件的拖车之间的互换性。 本国际标准适用于最大总质量大于3.51的商用车和拖车的机械连接。 [外文原描述]： This International Standard specifies the characteristics of 50 mm drawbar eyes, necessary for the interchangeability of the coupling components on trailers and permitting interchangeability between towing vehicles and trailers equipped with these components. This International Standard is applicable to mechanical connections designed for commercial vehicles and trailers, the maximum total mass of which is above 3,5 t.
英文名称Commercial road vehicles — 50 mm drawbar eye — Interchangeability