Invention Grant
- Patent Title: Electron tube having concentric electrodes
- Patent Title (中): 具有同心电极的电子管
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Application No.: US6113560Application Date: 1960-10-07
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Publication No.: US3219863APublication Date: 1965-11-23
- Inventor: BEERS JOHN R
- Applicant: LING TEMCO ELECTRONICS INC
- Assignee: Ling Temco Electronics Inc
- Current Assignee: Ling Temco Electronics Inc
- Priority: US6113560 1960-10-07
- Main IPC: H01J19/42
- IPC: H01J19/42
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