Invention Grant
- Patent Title: Electron discharge device
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Application No.: US39685141Application Date: 1941-06-06
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Publication No.: US2282392APublication Date: 1942-05-12
- Inventor: BIELING CARL A
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US39685141 1941-06-06
- Main IPC: H01J21/36
- IPC: H01J21/36
Information query
