 |
| |||
| external screw thread; external thread; male screw thread; male thread; external screw; male screw; screw | |||
| εξωτερικό σπείρωμα: 6 phrases in 3 subjects |
| Chemistry | 3 |
| Industry | 1 |
| Mechanic engineering | 2 |
|
| |||
| external screw thread; external thread; male screw thread; male thread; external screw; male screw; screw | |||
| εξωτερικό σπείρωμα: 6 phrases in 3 subjects |
| Chemistry | 3 |
| Industry | 1 |
| Mechanic engineering | 2 |