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公开(公告)号：US3386043A
公开(公告)日：1968-05-28
申请号：US38755464
申请日：1964-07-31
Applicant: BELL TELEPHONE LABOR INC
Inventor： MARCATILI ENRIQUE A J , SCHMELTZER ROBERT A
CPC classification number: H01S3/0315 , G02B6/10 , H01P3/16
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