Difference between revisions of "Patent for a Beleuchtungseinrichtung für Bildwerfer, Ludwig Pani, 1931 (Q31922)"
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(Created claim: Field (P19): lighting and projection (Q7)) | (Created claim: Publication date (P40): 10 November 1931) | ||||||||||||||
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| + | 10 November 1931
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| Property / Publication date: 10 November 1931 / rank | |||||||||||||||
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Revision as of 17:48, 2 August 2023
No description defined
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Patent for a Beleuchtungseinrichtung für Bildwerfer, Ludwig Pani, 1931 | No description defined |
Statements
10 November 1931
0 references