| |||
| air-purifying equipment | |||
| filtration device | |||
|
appareil filtrant : 17 phrases in 12 subjects |
| Chemistry | 1 |
| Coal | 3 |
| Electronics | 1 |
| General | 1 |
| Health care | 1 |
| Industry | 1 |
| Labor law | 4 |
| Materials science | 1 |
| Medical | 1 |
| Medical appliances | 1 |
| Patents | 1 |
| Transport | 1 |
| |||
| air-purifying equipment | |||
| filtration device | |||
|
appareil filtrant : 17 phrases in 12 subjects |
| Chemistry | 1 |
| Coal | 3 |
| Electronics | 1 |
| General | 1 |
| Health care | 1 |
| Industry | 1 |
| Labor law | 4 |
| Materials science | 1 |
| Medical | 1 |
| Medical appliances | 1 |
| Patents | 1 |
| Transport | 1 |