Difference between revisions of "Patent for a Stage lighting apparatus from George Izenour (update, 1989) (Q31192)"
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(Created claim: Field (P19): lighting and projection (Q7)) | (Created claim: author (P41): George Izenour (Q260)) | ||
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Revision as of 19:18, 30 April 2023
No description defined
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English | Patent for a Stage lighting apparatus from George Izenour (update, 1989) | No description defined |