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| filtres en papier | |||
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| filtre en papier | |||
| filtre de papier; papier filtre | |||
| paper filters: 31 phrases in 12 subjects |
| Analytical chemistry | 3 |
| Chemistry | 13 |
| Finances | 1 |
| General | 1 |
| Industry | 3 |
| Laboratory equipment | 1 |
| Mechanic engineering | 4 |
| Metallurgy | 1 |
| Natural sciences | 1 |
| Pulp and paper industry | 1 |
| Textile industry | 1 |
| Transport | 1 |