Apparatus for Producing Electric Currents of High Frequency and Potential
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USA067 - US568176
| No. | USA67 |
| Patent | 568,176 |
| Year | 1896 |
| Country | United States of America |
| Date of Application | September 22, 1896 |
| Patent Title | Apparatus for Producing Electric Currents of High Frequency and Potential |