Patent US 4497575A
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| Patent number | US 4497575A |
|---|---|
| Title | Optical fiber test instrument calibrator |
| Inventors | Harald Philipp |
| Company | Tektronix Inc |
| Filing date | 1982-11-01 |
| Grant date | 1985-02-05 |
| Cites |
| Patent number | US 4497575A |
|---|---|
| Title | Optical fiber test instrument calibrator |
| Inventors | Harald Philipp |
| Company | Tektronix Inc |
| Filing date | 1982-11-01 |
| Grant date | 1985-02-05 |
| Cites |