Invention Grant
- Patent Title: Electron tube type phonograph reproducer
- Patent Title (中): 电子管式留声机再生器
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Application No.: US61535345Application Date: 1945-09-10
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Publication No.: US2482972APublication Date: 1949-09-27
- Inventor: GORDON JAMES F
- Applicant: BENDIX AVIAT CORP
- Assignee: Bendix Aviat Corp
- Current Assignee: Bendix Aviat Corp
- Priority: US61535345 1945-09-10
- Main IPC: H01J21/08
- IPC: H01J21/08 ; H04R23/00
Information query
