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公开(公告)号:US2395683A
公开(公告)日:1946-02-26
申请号:US53360144
申请日:1944-05-01
Applicant: RCA CORP
Inventor: RUNGE FRANK E
IPC: H01H9/22
CPC classification number: H01H9/226
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公开(公告)号:US2326499A
公开(公告)日:1943-08-10
申请号:US39552441
申请日:1941-05-28
Applicant: RCA CORP
Inventor: RUNGE FRANK E
CPC classification number: B23Q11/0042 , G11B3/36 , Y10S29/098
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公开(公告)号:US2111741A
公开(公告)日:1938-03-22
申请号:US11851836
申请日:1936-12-31
Applicant: RCA CORP
Inventor: RUNGE FRANK E
IPC: G03B1/56
CPC classification number: G03B1/56
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公开(公告)号:US2092892A
公开(公告)日:1937-09-14
申请号:US5688435
申请日:1935-12-31
Applicant: RCA CORP
Inventor: RUNGE FRANK E
CPC classification number: G11B7/24 , G11B7/0901
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