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公开(公告)号：US3492651A
公开(公告)日：1970-01-27
申请号：US3492651D
申请日：1966-08-30
Applicant: BELL TELEPHONE LABOR INC
Inventor： GENKE RICHARD M , HARDING PHILIP A , ROLUND MICHAEL W
CPC classification number: G11C11/06007 , H03K17/74
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