 |
| |||
| gas-fired equipment; gas-fired installation | |||
| gas appliance | |||
| appliances burning gaseous fuels; appliances using gaseous fuels | |||
| appareil à gaz: 7 phrases in 5 subjects |
| Chemistry | 1 |
| General | 3 |
| Medical | 1 |
| Medical appliances | 1 |
| Natural resourses and wildlife conservation | 1 |