Difference between revisions of "Patent for Perfectionnements apportés aux dispositifs servant à l'éclairage, Geyling, Planer, 1930 (Q38423)"
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(Added [fr] label: Patent pour Perfectionnements apportés aux dispositifs servant à l'éclairage, Geyling, Planer, 1930) | (Added [nl] description: Patent voor Verbeteringen in of met betrekking tot verlichtingsapparaten) | ||
| description / nl | description / nl | ||
| + | Patent voor Verbeteringen in of met betrekking tot verlichtingsapparaten | ||
Revision as of 21:19, 13 February 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