| 1. | Reseach on diameter of ball socket milling cutter 如何确定球窝铣刀的直径 |
| 2. | Drive ball joints for swaging on cable 钢缆冷压连接用传动球窝接头 |
| 3. | Locking devices for ball and socket couplings of string insulator units 绝缘子串元件球窝联接用锁紧销 |
| 4. | Ball - and - socket bearing 球窝轴承 |
| 5. | Ball and socket joint 球窝关节 |
| 6. | Articulus sph roideus 球窝关节 |
| 7. | Locking devices for ball and socket couplings of string insulator units . dimensions and tests 绝缘子串元件球窝连接用锁紧销.尺寸和试验 |
| 8. | Ball socket base 球窝基座 |
| 9. | Locking devices for ball and socket couplings of string insulator units - dimensions and tests 绝缘子串单元球窝连接的锁紧装置.尺寸和试验 |
| 10. | Locking devices for ball and socket couplings of string insulator units - dimensions and tests 绝缘子串元件的球窝联接器用锁紧装置.尺寸和试验 |