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公开(公告)号：US3115550A
公开(公告)日：1963-12-24
申请号：US4476060
申请日：1960-07-22
Applicant: BELL TELEPHONE LABOR INC
Inventor： BROOKS CHESTER E , CROFUTT JR GEORGE B , SEND WILLIAM C
IPC: H01L27/06 , H03K19/0185 , H04Q3/00 , H04Q3/52
CPC classification number: H04Q3/0004 , H01L27/0635 , H03K19/018507 , H04Q3/521
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