signal de groupe
| libre
| signal de groupe | |
| railw. sec.sys. | Gruppensignal |
| libre | |
| chem. | lose |
| comp. | leer; freischalten; unbenutzt; unbesetzt |
| comp., MS | frei |
| law | im Genusse besonderer Freiheit |
| life.sc. | zwangsfrei |
| telecom. | Ruhe; in Ruhe |
| |||
| Gruppensignal m | |||
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signal de groupe : 5 phrases in 4 subjects |
| Automated equipment | 1 |
| Electronics | 2 |
| General | 1 |
| Telecommunications | 1 |