Commercial road vehicles - mechanical connections between towing vehicles and trailers - toroidal drawbar eye of 42 mm x 68 mm 商用道路车辆.牵引车和拖车间的机械连接件.环形42 mm x 68 mm的拉杆眼
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Commercial road vehicles - mechanical connections between towing vehicles and trailers - coupling devices for toroidal drawbar eye of 42 mm x 68 mm 商用道路车辆.牵引车和拖车之间的机械连接件.环形42 mm x 68 mm的拉杆眼用耦合装置