Stage lighting Von salzman (Q22946)
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The basic patent for the lighting system of Hellerau Frstspeilhaus
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Stage lighting Von salzman | The basic patent for the lighting system of Hellerau Frstspeilhaus |
Statements
DE000000280509A_drawings.jpg
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24 October 1913Gregorian
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