Patent for Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems (Q38982)
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Revision as of 09:41, 2 July 2025 by ChrisVG (talk | contribs) (Created claim: Property:P37: https://worldwide.espacenet.com/patent/search/family/010368359/publication/GB394325A?q=pn%3DGB394325A)
patent for stereo concept and sterio (record) recording
- GB394325A
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Patent for Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems | patent for stereo concept and sterio (record) recording |
|