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1.Carrier telephone system and supervisory signaling arrangement therefor 失效
Title translation: 载波电话系统及其监控信令安排公开(公告)号:US2624806A
公开(公告)日:1953-01-06
申请号:US76164647
申请日:1947-07-17
Applicant: INT STANDARD ELECTRIC CORP
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公开(公告)号:US2572074A
公开(公告)日:1951-10-23
申请号:US3743648
申请日:1948-07-07
Applicant: INT STANDARD ELECTRIC CORP
IPC: H04Q1/45
CPC classification number: H04Q1/45
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公开(公告)号:US2313601A
公开(公告)日:1943-03-09
申请号:US43830042
申请日:1942-04-09
Applicant: INT STANDARD ELECTRIC CORP
Inventor: JOHN TERRY VICTOR , STANLEY HARGREAVES THOMAS FRED
IPC: H04L12/10
CPC classification number: H04L12/10 , Y10T307/258
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公开(公告)号:US2613272A
公开(公告)日:1952-10-07
申请号:US13032649
申请日:1949-11-30
Applicant: INT STANDARD ELECTRIC CORP
CPC classification number: H03K9/02 , H04B3/142 , H04L1/02 , H04L25/03878 , H04L27/06
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公开(公告)号:US2579524A
公开(公告)日:1951-12-25
申请号:US11480449
申请日:1949-09-09
Applicant: INT STANDARD ELECTRIC CORP
Inventor: JOHN TERRY VICTOR , STANLEY HARGREAVES THOMAS FRED
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公开(公告)号:US2841701A
公开(公告)日:1958-07-01
申请号:US35773853
申请日:1953-05-27
Applicant: INT STANDARD ELECTRIC CORP
CPC classification number: H03K9/02 , H04B3/142 , H04L1/02 , H04L25/03878 , H04L27/06
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公开(公告)号:US2498680A
公开(公告)日:1950-02-28
申请号:US4675348
申请日:1948-08-30
Applicant: INT STANDARD ELECTRIC CORP
Inventor: STANLEY HARGREAVES THOMAS FRED
IPC: H04L27/08
CPC classification number: H04L27/08
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公开(公告)号:US2419607A
公开(公告)日:1947-04-29
申请号:US48990443
申请日:1943-06-07
Applicant: INT STANDARD ELECTRIC CORP
Inventor: JOHN TERRY VICTOR , STANLEY HARGREAVES THOMAS FRED
CPC classification number: G01S1/02
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公开(公告)号:US2806903A
公开(公告)日:1957-09-17
申请号:US41844854
申请日:1954-03-24
Applicant: INT STANDARD ELECTRIC CORP
IPC: H04Q1/446
CPC classification number: H04Q1/4465
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公开(公告)号:US2651684A
公开(公告)日:1953-09-08
申请号:US8586249
申请日:1949-04-06
Applicant: INT STANDARD ELECTRIC CORP
IPC: H04Q1/453
CPC classification number: H04Q1/4535
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