 |
| |||
| material standard | |||
| standard reference material | |||
| стандартный образец материала: 5 phrases in 3 subjects |
| Metrology | 3 |
| Polymers | 1 |
| Weapons of mass destruction | 1 |
|
| |||
| material standard | |||
| standard reference material | |||
| стандартный образец материала: 5 phrases in 3 subjects |
| Metrology | 3 |
| Polymers | 1 |
| Weapons of mass destruction | 1 |