Invention Grant
- Patent Title: Protective circuits
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Application No.: US8180936Application Date: 1936-05-26
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Publication No.: US2178764APublication Date: 1939-11-07
- Inventor: POCH WALDEMAR J
- Applicant: RCA CORP
- Assignee: RCA Corp
- Current Assignee: RCA Corp
- Priority: US8180936 1936-05-26
- Main IPC: H03F1/54
- IPC: H03F1/54 ; H04N3/20
Information query
IPC分类:
