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公开(公告)号：US3262046A
公开(公告)日：1966-07-19
申请号：US20606962
申请日：1962-06-28
Applicant: BELL TELEPHONE LABOR INC
Inventor： CLARKE PATRICK W , HENZ JACK A , MILLS JOHN K
CPC classification number: H02M7/1557
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