Difference between revisions of "The inventor of the fresnel lens 200 years ago was truly a genius. (Q34631)"
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Revision as of 11:36, 25 November 2024
Video about the inventor of the Fresnel lens
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The inventor of the fresnel lens 200 years ago was truly a genius. | Video about the inventor of the Fresnel lens |