 |
| |||
| agent de surface anionique | |||
| |||
| agent de surface anionique | |||
|
anionic surface- active agent : 2 do fraz, 1 tematyki |
| Chemia | 2 |
|
| |||
| agent de surface anionique | |||
| |||
| agent de surface anionique | |||
|
anionic surface- active agent : 2 do fraz, 1 tematyki |
| Chemia | 2 |