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公开(公告)号:US1852739A
公开(公告)日:1932-04-05
申请号:US1935125
申请日:1925-03-30
Applicant: RCA CORP
Inventor: REINDER DIJKSTERHUIS POPKO
IPC: H01J1/15
CPC classification number: H01J1/15
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公开(公告)号:US2232217A
公开(公告)日:1941-02-18
申请号:US28588839
申请日:1939-07-22
Applicant: RCA CORP
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5.Means for controlling the terminal pressure of an electric device 失效
Title translation: 用于控制电气设备的端子压力的装置-
公开(公告)号:US1975634A
公开(公告)日:1934-10-02
申请号:US30010528
申请日:1928-08-16
Applicant: RCA CORP
Inventor: REINDER DIJKSTERHUIS POPKO
IPC: H01B17/56
CPC classification number: H01B17/56
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公开(公告)号:US1987470A
公开(公告)日:1935-01-08
申请号:US48003630
申请日:1930-09-06
Applicant: RCA CORP
Inventor: REINDER DIJKSTERHUIS POPKO
IPC: H03G7/02
CPC classification number: H03G7/02
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