Patent EP 0163443B1
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| Patent number | EP 0163443B1 (click link for details and documents via Google Patents) |
|---|---|
| Title | Cathode ray tube astigmatism correction apparatus |
| Inventors | Conrad Odenthal |
| Company | Tektronix Inc |
| Filing date | 1985-05-09 |
| Grant date | 1990-08-16 |