Invention Grant
- Patent Title: Cathodes for use in electric discharge tubes
- Patent Title (中): 阴极管用于放电管
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Application No.: US3472693DApplication Date: 1966-02-09
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Publication No.: US3472693APublication Date: 1969-10-14
- Inventor: ALMER FRIEDRICH HERMANN RAYMUN , KUIPER ADRIANUS
- Applicant: PHILIPS CORP
- Assignee: Philips Corp
- Current Assignee: Philips Corp
- Priority: NL6501944 1965-02-17
- Main IPC: H01J1/14
- IPC: H01J1/14 ; H01B1/04
Information query
