quadruplex telegraph (Q2135531)
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type of electrical telegraph
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | quadruplex telegraph |
type of electrical telegraph |
Statements
Identifiers
Sitelinks
Wikipedia(4 entries)
- enwiki Quadruplex telegraph
- eowiki Kvarobla telegrafo
- nlwiki Quadruplex-telegraaf
- ruwiki Квадроплексный телеграф