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1.
公开(公告)号:US2435585A
公开(公告)日:1948-02-10
申请号:US42378841
申请日:1941-12-20
Applicant: BELL TELEPHONE LABOR INC
Inventor: HARTMAN PAUL L
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公开(公告)号:US2414085A
公开(公告)日:1947-01-14
申请号:US56812744
申请日:1944-12-14
Applicant: BELL TELEPHONE LABOR INC
Inventor: HARTMAN PAUL L
IPC: H01J23/213 , H01J23/36
CPC classification number: H01J23/36 , H01J23/213
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公开(公告)号:US2403444A
公开(公告)日:1946-07-09
申请号:US39594841
申请日:1941-05-31
Applicant: BELL TELEPHONE LABOR INC
Inventor: HARTMAN PAUL L
IPC: H01J21/06
CPC classification number: H01J21/065
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公开(公告)号:US2469964A
公开(公告)日:1949-05-10
申请号:US39168941
申请日:1941-05-03
Applicant: BELL TELEPHONE LABOR INC
Inventor: HARTMAN PAUL L
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5.Magnetron inductive tuner employing variably spaced parallel plate transmission line 失效
Title translation: 采用可变间隔平行板传输线的磁控感应调谐器公开(公告)号:US2466765A
公开(公告)日:1949-04-12
申请号:US55536344
申请日:1944-09-22
Applicant: BELL TELEPHONE LABOR INC
Inventor: HARTMAN PAUL L
IPC: H01J25/587
CPC classification number: H01J25/587
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公开(公告)号:US2435586A
公开(公告)日:1948-02-10
申请号:US51629043
申请日:1943-12-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: HARTMAN PAUL L
IPC: H01J25/78
CPC classification number: H01J25/78
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公开(公告)号:US2416315A
公开(公告)日:1947-02-25
申请号:US44574742
申请日:1942-06-04
Applicant: BELL TELEPHONE LABOR INC
Inventor: HARTMAN PAUL L
CPC classification number: H01J1/20 , H01J19/34 , H01J2893/0003
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