Difference between revisions of "Patent for A system of circular electric rheostat with a plate and graduated resistance for special application to light distribution mechanisms in theaters. (Q31813)"
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(Created claim: Source URL (P64): https://patents.google.com/patent/ES81577A3) | (Created claim: mentions (P78): resistance dimmer (Q3922)) | ||
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Revision as of 07:49, 27 July 2023
No description defined
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Patent for A system of circular electric rheostat with a plate and graduated resistance for special application to light distribution mechanisms in theaters. | No description defined |
Statements
16 September 1922Gregorian
0 references