Automatic Block
Signal system - only individual words found (there may be no translations for some thesaurus entries in the bilingual dictionary)
| automatic block | |
| railw. sec.sys. | blokada samoczynna |
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| blokada samoczynna | |||
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Automatic : 7 phrases in 6 subjects |
| Chemistry | 1 |
| Commerce | 1 |
| Construction | 2 |
| Forestry | 1 |
| Rail transport | 1 |
| Sound recording | 1 |