Difference between revisions of "Patent for a Illuminating device (Q27847)"

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(‎Created claim: Publication date (P40): 25 October 1932)
(‎Created claim: Copy available online (P37): https://patents.google.com/patent/US1884957)
 
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Latest revision as of 21:25, 27 April 2024

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Patent for a Illuminating device
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