Difference between revisions of "Patent for a light projector by Herbert F King (Q31173)"

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(‎Removed claim: TBU URL II (P24): US1680685_Pagina_1.jpg, #quickstatements; #temporary_batch_1773328109580)
 
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Property / Copy available online
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Property / Copy available online: https://patents.google.com/patent/US1680685A/en / rank
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Property / Publication date
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14 August 1928Gregorian
Timestamp+1928-08-14T00:00:00Z
Timezone+00:00
CalendarGregorian
Precision1 day
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Property / Publication date: 14 August 1928Gregorian / rank
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Property / Canon document public ID
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Property / Canon document public ID: 1039 / rank
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Property / Canon image ID
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Property / Canon image ID: 2801 / rank
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Latest revision as of 15:09, 12 March 2026

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Patent for a light projector by Herbert F King
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