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公开(公告)号：US3270139A
公开(公告)日：1966-08-30
申请号：US24026962
申请日：1962-11-27
Applicant: INT STANDARD ELECTRIC CORP
Inventor： HENRI BEUMUSSA , LOUIS MARTY PIERRE RENE , STANISLAS KOBUS
CPC classification number: H04Q3/54 , H04Q3/0004 , H04Q3/0016 , H04Q3/42
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