Invention Grant
- Patent Title: Electron discharge device and associated circuit
- Patent Title (中): 电子放电装置及相关电路
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Application No.: US48529043Application Date: 1943-05-01
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Publication No.: US2417551APublication Date: 1947-03-18
- Inventor: STANLEY HILL
- Applicant: EMI LTD
- Assignee: Emi Ltd
- Current Assignee: Emi Ltd
- Priority: GB267797X 1941-01-17
- Main IPC: H01J25/24
- IPC: H01J25/24
Information query
