coded-current
| track circuit
| coded current abbr. | |
| el. | kodestrøm |
| track circuit abbr. | |
| transp. el. | sporstrømkreds; skinnestrømkreds |
| |||
| kodestrøm | |||
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coded-current : 10 phrases in 2 subjects |
| Communications | 2 |
| Transport | 8 |