Patent for ‘Method for producing stage sounds’. 1920, Schwabe & Co (Q39993)
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Revision as of 13:25, 28 July 2026 by ChrisVG (talk | contribs) (Changed claim: Property:P40: 7 October 1920)
No description defined
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Patent for ‘Method for producing stage sounds’. 1920, Schwabe & Co | No description defined |
Statements
7 October 1920Gregorian
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