Difference between revisions of "Patent for a Spot and floodlight projector apparatus by Joseph Levy and Edward Kook, 1937 (Q31797)"
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(Created claim: Field (P19): lighting and projection (Q7)) | (Created claim: author (P41): Joseph Levy (Q31180)) | ||
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| Property / author: Joseph Levy / rank | |||
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Revision as of 11:27, 23 July 2023
the patent of the Leko
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Patent for a Spot and floodlight projector apparatus by Joseph Levy and Edward Kook, 1937 | the patent of the Leko |