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公开(公告)号:US2695958A
公开(公告)日:1954-11-30
申请号:US54739644
申请日:1944-07-31
Applicant: BELL TELEPHONE LABOR INC
Inventor: LEWIS WILLARD D
IPC: H01Q19/12
CPC classification number: H01Q19/12
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公开(公告)号:US2617881A
公开(公告)日:1952-11-11
申请号:US12014149
申请日:1949-10-07
Applicant: BELL TELEPHONE LABOR INC
Inventor: LEWIS WILLARD D , PIERCE JOHN R
IPC: H01P1/213
CPC classification number: H01P1/2138
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公开(公告)号:US2561212A
公开(公告)日:1951-07-17
申请号:US13319549
申请日:1949-12-15
Applicant: BELL TELEPHONE LABOR INC
Inventor: LEWIS WILLARD D
CPC classification number: H04B1/52
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公开(公告)号:US2548672A
公开(公告)日:1951-04-10
申请号:US10675949
申请日:1949-07-26
Applicant: BELL TELEPHONE LABOR INC
Inventor: LEWIS WILLARD D
CPC classification number: H01P1/2138 , H01P1/209 , H01P7/06
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公开(公告)号:US2531447A
公开(公告)日:1950-11-28
申请号:US78998547
申请日:1947-12-05
Applicant: BELL TELEPHONE LABOR INC
Inventor: LEWIS WILLARD D
CPC classification number: H01P1/209 , H01P1/2138 , H01P7/06
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公开(公告)号:US2934658A
公开(公告)日:1960-04-26
申请号:US61943456
申请日:1956-10-31
Applicant: BELL TELEPHONE LABOR INC
Inventor: LEWIS WILLARD D
IPC: H01P1/15
CPC classification number: H01P1/15
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公开(公告)号:US2846680A
公开(公告)日:1958-08-05
申请号:US68036146
申请日:1946-06-29
Applicant: BELL TELEPHONE LABOR INC
Inventor: LEWIS WILLARD D
IPC: H01Q19/19
CPC classification number: H01Q19/192
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18.Constant resistance pseudohybrid channel branching microwave filters 失效
Title translation: 恒电阻伪混合通道分支微波滤波器公开(公告)号:US2595680A
公开(公告)日:1952-05-06
申请号:US20927651
申请日:1951-02-03
Applicant: BELL TELEPHONE LABOR INC
Inventor: LEWIS WILLARD D
IPC: H01P1/213
CPC classification number: H01P1/2138
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公开(公告)号:US2575804A
公开(公告)日:1951-11-20
申请号:US78985047
申请日:1947-12-05
Applicant: BELL TELEPHONE LABOR INC
Inventor: FRLIS HARALD T , LEWIS WILLARD D , TILLOTSON LE ROY C
IPC: H01P5/20
CPC classification number: H01P5/20
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公开(公告)号:US2541324A
公开(公告)日:1951-02-13
申请号:US58933645
申请日:1945-04-20
Applicant: BELL TELEPHONE LABOR INC
Inventor: BAXTER HOWARD A , LEWIS WILLARD D
CPC classification number: F16H21/365 , H01Q3/18 , Y10T74/18272
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