Difference between revisions of "Patent for Perfectionnements apportés aux dispositifs servant à l'éclairage, Geyling, Planer, 1930 (Q38423)"
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(Added [nl] description: Patent voor Verbeteringen in of met betrekking tot verlichtingsapparaten) | (Removed claim: Canon source Id (P369): 1030, #quickstatements; #temporary_batch_1743590302320) | ||
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Latest revision as of 10:42, 2 April 2025
Patent for Improvements to lighting devices
- FR674233A
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Patent for Perfectionnements apportés aux dispositifs servant à l'éclairage, Geyling, Planer, 1930 | Patent for Improvements to lighting devices |
|
Statements
24 January 1930
0 references