| 1. | Cone - shaped bayonet ring couplings for rolling stock part 19 : cone thread angle couplings
机车车辆用锥面卡套式管接头.第19部分:管锥直角管接头 |
| 2. | Curved - face bayonet ring couplings for rolling stock part 22 : cone thread angle couplings
机车车辆用曲面卡套式管接头.第22部分:管锥直角管接头 |
| 3. | Cone - shaped bayonet ring couplings for rolling stock part 20 : cone thread angle coupling bodies
机车车辆用锥面卡套式管接头.第20部分:管锥直角管接头体 |
| 4. | Curved - face bayonet ring couplings for rolling stock part 23 : cone thread angle coupling bodies
机车车辆用曲面卡套式管接头.第23部分:管锥直角管接头体 |
| 5. | Pipe threads with 55 degree thread angle where pressure - tight joints are made on the threads part 2 : taper internal and external threads
55密封管螺纹第2部分:圆锥内螺纹与圆锥外螺纹 |
| 6. | Pipe threads with 55 degree thread angle where pressure - tight joints are made on the threads part 1 : parallel internal and taper external threads
55密封管螺纹第1部分:圆柱内螺纹与圆锥外螺纹 |
