Difference between revisions of "Device for the illumination of stages. Addition to patent 280500 Von Salzmann (Q22948)"
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Revision as of 08:44, 13 March 2025
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Device for the illumination of stages. Addition to patent 280500 Von Salzmann | No description defined |
Statements
17 May 1914Gregorian
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