| 1. | Dimensions of ball and socket couplings of string insulator units 绝缘子串元件的球与窝连接尺寸 |
| 2. | 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 |
| 3. | A ball and socket attachment structure 一种球铰式连接结构 |
| 4. | Ball and socket steering knuckle 球销式转向节 |
| 5. | Ball and socket head 珠窝式云台 |
| 6. | Ball and socket joint 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. | Dimensions of ball and socket couplings of string insulator units ; identical with iec 60120 , edition 1984 绝缘子串元件的球与窝连接尺寸 |
| 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 |