Clemencon type 1920 - 1930 (Q31803)
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Revision as of 15:18, 25 July 2023 by ChrisVG (talk | contribs) (Created claim: Property:P11: Item:Q50)
mechanical light board
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Clemencon type 1920 - 1930 | mechanical light board |