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公开(公告)号:US3101392A
公开(公告)日:1963-08-20
申请号:US79280159
申请日:1959-02-12
Applicant: ERICSSON TELEFON AB L M
Inventor: GUNNAR BRUNBERG KARL , BERNARD LILLSUNDE , STURE LINDENHALL JOHN
CPC classification number: H04Q3/0004 , H01H67/26 , H01H67/32
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公开(公告)号:US3127480A
公开(公告)日:1964-03-31
申请号:US5489660
申请日:1960-09-09
Applicant: ERICSSON TELEFON AB L M
Inventor: FOLKE EK , STURE LINDENHALL JOHN , ARNE OXAAL
IPC: H04Q3/00
CPC classification number: H04Q3/0004
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