الجمارك الموريتانية
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| الرمز | المسمى |
|---|---|
| 291211 | MΘthanal (formaldΘhyde) |
| 291212 | Ethanal (acΘtaldΘhyde) |
| 291219 | Autres |
| 291221 | BenzaldΘhyde (aldΘhyde benzo∩que) |
| 291229 | Autres |
| 291230 | AldΘhydes?alcools |
| 291241 | Vanilline (aldΘhyde mΘthylprotocatΘchique) |
| 291242 | Ethylvanilline (aldΘhyde ΘthylprotocatΘchique) |
| 291249 | Autres |
| 291250 | PolymΦres cycliques des aldΘhydes |