 |
| |||
| flammensicher | |||
| explosionsgeschützt | |||
| Schlagwettersicherheit | |||
| Schlagwettergeschützter | |||
| antideflagrante: 14 phrases in 9 subjects |
| Chemistry | 1 |
| Coal | 1 |
| Communications | 2 |
| Economy | 1 |
| Electronics | 2 |
| Industry | 1 |
| Lighting other than cinema | 1 |
| Mechanic engineering | 4 |
| Telephony | 1 |