Patent CA 1112283A
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| Patent number | CA 1112283A (click link for details and documents via Google Patents) |
|---|---|
| Title | Quadrupole lens having interdigitated lobes on adjacent tubular members |
| Inventors | Bozidar Janko |
| Company | Tektronix Inc |
| Filing date | 1980-07-31 |
| Grant date | 1981-11-10 |