Patent GB 460562A
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| Patent number | GB 460562A |
|---|---|
| Title | Improvements In and Relating to Thermionic Valve Circuits |
| Inventors | W.S.Percival |
| Company | |
| Filing date | 1935-07-24 |
| Grant date | 1937-01-25 |
| Cites |
The original patent on a distributed amplifier.