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公开(公告)号：US3278858A
公开(公告)日：1966-10-11
申请号：US23727162
申请日：1962-11-13
Applicant: BELL TELEPHONE LABOR INC
Inventor： FAUST WALTER L , MCFARLANE ROSS A , PATEL CHANDRA K N , BENNETT JR WILLIAM R
CPC classification number: H01S3/225
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