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1.Testing arrangement for automatic or semiautomatic telephone systems 失效
Title translation: 自动或半自动电话系统的测试安排公开(公告)号:US1854456A
公开(公告)日:1932-04-19
申请号:US45208530
申请日:1930-05-13
Applicant: EDOUARD FRUM , INT STANDARD ELECTRIC CORP
Inventor: GERALD DEAKIN
IPC: H04Q1/20
CPC classification number: H04Q1/20
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公开(公告)号:US1853962A
公开(公告)日:1932-04-12
申请号:US45208330
申请日:1930-05-13
Applicant: EDOUARD FRUM , INT STANDARD ELECTRIC CORP
Inventor: GERALD DEAKIN
IPC: H04Q3/42
CPC classification number: H04Q3/42
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公开(公告)号:US1845248A
公开(公告)日:1932-02-16
申请号:US45208430
申请日:1930-05-13
Applicant: EDOUARD FRUM , INT STANDARD ELECTRIC CORP
Inventor: GERALD DEAKIN
IPC: H04Q3/00
CPC classification number: H04Q3/0016
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公开(公告)号:US2641665A
公开(公告)日:1953-06-09
申请号:US69848846
申请日:1946-09-21
Applicant: INT STANDARD ELECTRIC CORP
Inventor: GERALD DEAKIN
CPC classification number: H01H51/06 , H01H50/24 , Y10S439/91
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公开(公告)号:US2559600A
公开(公告)日:1951-07-10
申请号:US69679446
申请日:1946-09-13
Applicant: INT STANDARD ELECTRIC CORP
Inventor: GERALD DEAKIN
IPC: H01H63/24
CPC classification number: H01H63/24
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公开(公告)号:US2512612A
公开(公告)日:1950-06-27
申请号:US69714746
申请日:1946-09-14
Applicant: INT STANDARD ELECTRIC CORP
Inventor: GERALD DEAKIN
IPC: H01H63/22
CPC classification number: H01H63/22 , Y10T74/18152
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7.Combined contact brush guide and spreader for electric selector switches 失效
Title translation: 电动选择开关组合接触式电刷导轨和吊具公开(公告)号:US2495702A
公开(公告)日:1950-01-31
申请号:US56799744
申请日:1944-12-13
Applicant: INT STANDARD ELECTRIC CORP
Inventor: GERALD DEAKIN
IPC: H01H63/04
CPC classification number: H01H63/04
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公开(公告)号:US2484080A
公开(公告)日:1949-10-11
申请号:US52116044
申请日:1944-02-05
Applicant: INT STANDARD ELECTRIC CORP
Inventor: GERALD DEAKIN
IPC: H04Q1/18
CPC classification number: H04Q1/18
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公开(公告)号:US2474233A
公开(公告)日:1949-06-28
申请号:US57936845
申请日:1945-02-23
Applicant: INT STANDARD ELECTRIC CORP
Inventor: GERALD DEAKIN
IPC: H01H63/04
CPC classification number: H01H63/04
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公开(公告)号:US2449981A
公开(公告)日:1948-09-28
申请号:US47885143
申请日:1943-03-11
Applicant: INT STANDARD ELECTRIC CORP
Inventor: GERALD DEAKIN
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