Invention Grant
- Patent Title: Charging electronic tubes with mercury
- Patent Title (中): 用汞充电电子管
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Application No.: US31620663Application Date: 1963-10-11
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Publication No.: US3318649APublication Date: 1967-05-09
- Inventor: KELLER JR DOUGLAS V , SCOTT FREDERICK P
- Applicant: KING LAB INC
- Assignee: King Lab Inc
- Current Assignee: King Lab Inc
- Priority: US31620663 1963-10-11
- Main IPC: H01J9/395
- IPC: H01J9/395 ; H01J17/49
Information query
