 |
| |||
| polyformaldehyde; polyoxymethylene | |||
| paraformaldehyde; trioxymethylene | |||
|
paraformaldehyde : 1 фраза в 1 тематике |
| Медицина | 1 |
|
| |||
| polyformaldehyde; polyoxymethylene | |||
| paraformaldehyde; trioxymethylene | |||
|
paraformaldehyde : 1 фраза в 1 тематике |
| Медицина | 1 |