Invention Grant
- Patent Title: Oxide cathode
- Patent Title (中): 氧化物阴极
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Application No.: US17105127Application Date: 1927-02-25
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Publication No.: US1777253APublication Date: 1930-09-30
- Inventor: JOHANNES BRUIJNES , DER HOEVEN JACOB VAN , EKKO OOSTERHUIS
- Applicant: PHILIPS NV
- Assignee: Philips Nv
- Current Assignee: Philips Nv
- Priority: NL1777253X 1926-04-06
- Main IPC: H01J1/14
- IPC: H01J1/14
Public/Granted literature
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