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1.Arrangement for regulating the selectivity of receiving apparatus 失效
Title translation: 用于调节接收装置的选择性的装置公开(公告)号:US1960893A
公开(公告)日:1934-05-29
申请号:US48093830
申请日:1930-09-10
Applicant: RCA CORP
Inventor: CORNELIS BOL , HERRE RINIA
CPC classification number: H03H7/0161 , H03H5/02
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公开(公告)号:US1931642A
公开(公告)日:1933-10-24
申请号:US21709827
申请日:1927-09-02
Applicant: RCA CORP
Inventor: CORNELIS BOL
CPC classification number: H01J7/24 , H01J5/42 , H01J2893/0034
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公开(公告)号:US1916408A
公开(公告)日:1933-07-04
申请号:US25521128
申请日:1928-02-18
Applicant: RCA CORP
Inventor: CORNELIS BOL
IPC: H01J1/20
CPC classification number: H01J1/20
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公开(公告)号:US1872231A
公开(公告)日:1932-08-16
申请号:US39582429
申请日:1929-09-28
Applicant: RCA CORP
Inventor: CORNELIS BOL , KLAAS POSTHUMUS , MARINUS UNK JACOB , HENDRIK MOREL CORNELIS
CPC classification number: H04B1/1623 , H05K9/0064
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公开(公告)号:US1735152A
公开(公告)日:1929-11-12
申请号:US30454228
申请日:1928-09-07
Applicant: RCA CORP
Inventor: CORNELIS BOL , HENDRIK MOREL CORNELIS
IPC: H02M1/10
CPC classification number: H02M1/10
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公开(公告)号:US1745887A
公开(公告)日:1930-02-04
申请号:US8329326
申请日:1926-01-23
Applicant: RCA CORP
Inventor: CORNELIS BOL , DER POL BALTHASAR VAN
IPC: H01J19/36
CPC classification number: H01J19/36 , H01J2893/0027 , Y10T403/7077
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公开(公告)号:US1904195A
公开(公告)日:1933-04-18
申请号:US45602530
申请日:1930-05-27
Applicant: RCA CORP
Inventor: CORNELIS BOL
IPC: H01J5/40
CPC classification number: H01J5/40 , H01J2893/0035
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公开(公告)号:US1892204A
公开(公告)日:1932-12-27
申请号:US42509530
申请日:1930-02-01
Applicant: RCA CORP
Inventor: CORNELIS BOL
IPC: H01F27/36
CPC classification number: H01F27/367 , Y10T29/4902
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公开(公告)号:US1957243A
公开(公告)日:1934-05-01
申请号:US38714629
申请日:1929-08-20
Applicant: RCA CORP
Inventor: CORNELIS BOL , KLAAS POSTHUMUS
IPC: H01G5/38
CPC classification number: H01G5/38
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