Difference between revisions of "patent for a light-collecting reflector by Joseph H Labrum (Q31196)"

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(‎Removed claim: Canon image id (P74): US4151584.pdf, #quickstatements; #temporary_batch_1741855370183)
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Latest revision as of 10:42, 2 April 2025

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patent for a light-collecting reflector by Joseph H Labrum
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