Invention Grant
- Patent Title: High frequency amplifier
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Application No.: US11591536Application Date: 1936-12-15
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Publication No.: US2173232APublication Date: 1939-09-19
- Inventor: LANDON VERNON D
- Applicant: RCA CORP
- Assignee: RCA Corp
- Current Assignee: RCA Corp
- Priority: US11591536 1936-12-15
- Main IPC: H03F1/50
- IPC: H03F1/50
Public/Granted literature
- US20070113569A1 Refrigerator and control method of the same Public/Granted day:2007-05-24
Information query
IPC分类:
