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: Type of information (P11): source (Q98)) | (Created claim: Field (P19): lighting and projection (Q7)) | ||
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| Property / Field: lighting and projection / rank | |||
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Revision as of 11:26, 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 |