Difference between revisions of "Patent for a Spot and floodlight projector apparatus by Joseph Levy and Edward Kook, 1937 (Q31797)"

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the patent of the Leko

(‎Created claim: author (P41): Joseph Levy (Q31180))
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Revision as of 11:27, 23 July 2023

the patent of the Leko
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Patent for a Spot and floodlight projector apparatus by Joseph Levy and Edward Kook, 1937
the patent of the Leko

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