Difference between revisions of "patent for a light-collecting reflector by Joseph H Labrum (Q31196)"
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(Created claim: mentions (P78): Ellipsoidal reflector spotlight (Q30007)) | (Created claim: Canon source Id (P369): 1050, #quickstatements; #temporary_batch_1741854387036) | ||
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Revision as of 08:26, 13 March 2025
No description defined
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | patent for a light-collecting reflector by Joseph H Labrum | No description defined |
Statements
24 April 1979
0 references