Difference between revisions of "Patent for a shutter system for stage-lighting spotlights by Joseph H Labrum (Q31194)"

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(‎Created claim: Backup document (P74): US4210955.pdf)
 
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Property / Field
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Property / Field: lighting and projection / rank
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Normal rank
Property / Publication date
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1 July 1980
Timestamp+1980-07-01T00:00:00Z
Timezone+00:00
CalendarGregorian
Precision1 day
Before0
After0
Property / Publication date: 1 July 1980 / rank
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Normal rank
Property / author
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Property / author: Joseph H Labrum / rank
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Normal rank
Property / mentions
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Property / mentions: shutter / rank
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Normal rank
Property / Copy available online
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Property / Copy available online: https://patents.google.com/patent/US4210955 / rank
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Normal rank
Property / Backup document
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Property / Backup document: US4210955.pdf / rank
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Normal rank

Latest revision as of 19:57, 30 April 2023

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Patent for a shutter system for stage-lighting spotlights by Joseph H Labrum
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