Mechanical connections between towing vehicles and trailers; automatic bolt coupling 50; dimensions and calculating data
牵引车和拖车之间的机械连接；自动螺栓联轴器50；尺寸和计算数据
1989-01-01
DIN 74051-1
Mechanical connections between towing vehicles and trailers; automatic bolt coupling 40; dimensions and calculating data
牵引车和拖车之间的机械连接；自动螺栓联轴器40；尺寸和计算数据