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

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(‎Created claim: Publication date (P40): 24 April 1979)
 
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Property / mentions
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Property / mentions: Ellipsoidal reflector spotlight / rank
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Property / Copy available online
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Property / Copy available online: https://patents.google.com/patent/US4151584A / rank
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Property / Backup document
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Property / Backup document: US4151584.pdf / rank
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Latest revision as of 20:07, 30 April 2023

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patent for a light-collecting reflector by Joseph H Labrum
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