Patent for Verfahren und Vorrichtung insbesondere für Bühnenprojektion. Geyling, Planer é Schrapringer, 1930 (Q38419)
From CanonBase
Patent for method and device, in particular for stage projection.
- AT120161B
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Patent for Verfahren und Vorrichtung insbesondere für Bühnenprojektion. Geyling, Planer é Schrapringer, 1930 | Patent for method and device, in particular for stage projection. |
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