Difference between revisions of "Patent for a Picture-projection process and apparatus, Joseph Levi, 1926 (Q31869)"
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(Created claim: Field (P19): lighting and projection (Q7)) | (Created claim: author (P41): Joseph Levy (Q31180)) | ||
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Revision as of 16:49, 30 July 2023
No description defined
| Language | Label | Description | Also known as |
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| English | Patent for a Picture-projection process and apparatus, Joseph Levi, 1926 | No description defined |