| |||
| urethane; ethyl carbamate | |||
| |||
| urethane; urethan; ethyl carbamate | |||
| ethylcarbamate | |||
| |||
| urethanes | |||
|
urethane : 8 phrases in 5 subjects |
| Agriculture | 1 |
| Chemistry | 4 |
| Industry | 1 |
| Natural sciences | 1 |
| Textile industry | 1 |
| |||
| urethane; ethyl carbamate | |||
| |||
| urethane; urethan; ethyl carbamate | |||
| ethylcarbamate | |||
| |||
| urethanes | |||
|
urethane : 8 phrases in 5 subjects |
| Agriculture | 1 |
| Chemistry | 4 |
| Industry | 1 |
| Natural sciences | 1 |
| Textile industry | 1 |