Difference between revisions of "Patent for ‘Method for producing stage sounds’. 1920, Schwabe & Co (Q39993)"
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(Changed claim: Publication date (P40): 7 October 1920) | (Changed claim: mentions (P78): sound effect (Q3408)) | ||
| Property / mentions | Property / mentions | ||
| - | + | ||
Latest revision as of 13:25, 28 July 2026
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
0 references