styresignal | |
el. | gate signal; switching signal; call control signal; control signal |
distribution | |
ed. | commercial distribution |
energ.ind. | distribution of gas; distribution of natural gas; distribution |
| |||
gate signal; switching signal; call control signal; control signal | |||
command signal |
styresignal : 5 phrases in 2 subjects |
Communications | 1 |
Electronics | 4 |