Difference between revisions of "Patent for Perfectionnements apportés aux dispositifs servant à l'éclairage, Geyling, Planer, 1930 (Q38423)"
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(Created claim: author (P41): Paul Planer (Q38411)) | (Created claim: Publication date (P40): 24 January 1930) | ||||||||||||||
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| + | 24 January 1930
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| Property / Publication date: 24 January 1930 / rank | |||||||||||||||
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Revision as of 21:16, 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