Difference between revisions of "Patent for a light projector by Herbert F King (Q31173)"
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(Created claim: Canon image id (P74): US1680685.pdf) | (Changed claim: Canon documents public id (P71): 1039) | ||||||||||||||
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Latest revision as of 12:06, 2 April 2025
No description defined
| Language | Label | Description | Also known as |
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| English | Patent for a light projector by Herbert F King | No description defined |
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Type of information
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Internal image
author
Publication date
14 August 1928Gregorian
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Copy available online
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Canon documents public id