Manufacture of Electrical Condensers, Coils and Similar Devices
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USA073 - US577671
| No. | USA73 |
| Patent | 577,671 |
| Year | 1897 |
| Country | United States of America |
| Date of Application | February 23, 1897 |
| Patent Title | Manufacture of Electrical Condensers, Coils and Similar Devices |