| |||
caoutchouc plombé; caoutchouc plombeux | |||
| |||
caoutchouc plombeux | |||
caoutchouc au plomb; caoutchouc plombe; caoutchouc plombifere |
lead-rubber : 15 phrases in 4 subjects |
Health care | 2 |
Medical appliances | 6 |
Natural resourses and wildlife conservation | 1 |
Nuclear physics | 6 |