| 1. | Agricultural tractors and machinery - trailer coupling - bolt coupling for coupling - ring 40 农业用拖拉机和机械.拖车联轴节. 40联接环用螺栓联轴 |
| 2. | The valve cover shall be held in place through the use of a single grooved style two - bolt coupling 阀盖应该通过单个沟槽状双螺栓联结器固定住。 |
| 3. | The valve cover shall be held in place through the use of a single grooved style two - bolt coupling 这种阀盖应该通过采用沟槽状双螺栓联接器固定在其所在位置上。 |
| 4. | Mechanical connections between towing vehicles and trailers ; automatic bolt coupling 40 ; dimensions and calculating data 汽车和挂车的机械连接.自动螺栓联轴节40 .尺寸和计算 |
| 5. | Mechanical connections between towing vehicles and trailers ; automatic bolt coupling 50 ; dimensions and calculating data 牵引车和挂车的机械连接.第1部分: 50 mm自动螺栓联轴 |
| 6. | Capture - track rail installations in mining ; bolted couplings for rope - hauled and self - propelled rail installations ; bolted coupling 30 矿山用轨控轨道装置.绳索牵引和自行式轨道装置用螺栓 |
| 7. | Mechanical connections between towing vehicles and trailers ; automatic bolt coupling 40 ; additional specifications for the use with centre axle trailers 牵引车和拖车之间的机械连接件.第10部分: 40 mm自动 |
| 8. | Mechanical connections between towing vehicles and trailers ; automatic bolt coupling 50 ; additional specifications for the use with centre axle trailers 牵引车和拖车之间的机械连接件.第10部分: 50 mm自动 |