Invention Grant
- Patent Title: High-frequency electrical-oscillation generator.
- Patent Title (中): 高频电动振荡发电机。
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Application No.: US1908414976Application Date: 1908-02-08
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Publication No.: US979277APublication Date: 1910-12-20
- Inventor: FOREST LEE DE
- Applicant: FOREST LEE DE
- Assignee: Lee De Forest
- Current Assignee: Lee De Forest
- Priority: US1908414976 1908-02-08
Information query
