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1.Automatic telecommunication system with absent subscriber service 失效
Title translation: 自动电信系统,缺少用户业务公开(公告)号:US2758158A
公开(公告)日:1956-08-07
申请号:US32112652
申请日:1952-11-18
Applicant: INT STANDARD ELECTRIC CORP
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公开(公告)号:US2822431A
公开(公告)日:1958-02-04
申请号:US28025252
申请日:1952-04-03
Applicant: INT STANDARD ELECTRIC CORP
IPC: H01H67/26
CPC classification number: H01H67/26
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公开(公告)号:US2914621A
公开(公告)日:1959-11-24
申请号:US68101857
申请日:1957-08-29
Applicant: INT STANDARD ELECTRIC CORP
IPC: G11B5/10
CPC classification number: G11B5/10
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公开(公告)号:US2787668A
公开(公告)日:1957-04-02
申请号:US32942453
申请日:1953-01-02
Applicant: INT STANDARD ELECTRIC CORP
IPC: H01H67/26
CPC classification number: H01H67/26
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5.
公开(公告)号:US3030468A
公开(公告)日:1962-04-17
申请号:US73927758
申请日:1958-06-02
Applicant: INT STANDARD ELECTRIC CORP
Inventor: JOSEPH DONCEEL JULES LOUIS , MARNIX MUS
IPC: H01H51/28
CPC classification number: H01H51/281
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公开(公告)号:US2892134A
公开(公告)日:1959-06-23
申请号:US32169452
申请日:1952-11-20
Applicant: INT STANDARD ELECTRIC CORP
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公开(公告)号:US2740844A
公开(公告)日:1956-04-03
申请号:US28025352
申请日:1952-04-03
Applicant: INT STANDARD ELECTRIC CORP
IPC: H01H67/26
CPC classification number: H01H67/26
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