| |||
| fossil meal; diatomaceous or infusorial earth; kieselguhr | |||
| diatomite; diatomateous earth | |||
|
farine fossile : 2 phrases, 2 sujets |
| Chimie | 1 |
| Exploitation minière | 1 |
| |||
| fossil meal; diatomaceous or infusorial earth; kieselguhr | |||
| diatomite; diatomateous earth | |||
|
farine fossile : 2 phrases, 2 sujets |
| Chimie | 1 |
| Exploitation minière | 1 |